Class   D23	ENVIRONMENTAL HEATING AND COOLING; FLUID HANDLING AND SANITARY EQUIPMENT
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200

FLUID HANDLING OR TREATMENT EQUIPMENT

201

. (1 indent ) Fountain

202

. (1 indent ) Storage tank

203

.. (2 indent ) Underground type (e.g., septic tank, etc.)

204

.. (2 indent ) Substantially spherical

205

.. (2 indent ) Cylindrical

206

.. (2 indent ) Element or attachment (1)

207

. (1 indent ) Treatment

208

.. (2 indent ) Sanitary fixture type (e.g., deodorant holder, chemical dispenser, etc.)

209

.. (2 indent ) Filter or strainer (2)

210

... (3 indent ) Immersion type (e.g., aquarium filter, etc.)

211

. (1 indent ) Lubricating can

211.1

. (1 indent ) Gasoline or fuel type can

211.2

.. (2 indent ) With elongated neck

212

. (1 indent ) Watering can (3)

213

. (1 indent ) Dispersal (i.e., sprayer, fogger, nozzle, aerator, etc.) (4)

214

.. (2 indent ) Sprinkler for lawn, agricultural irrigation or fire extinguishing (5)

215

... (3 indent ) Simulative

216

... (3 indent ) Oscillating

217

... (3 indent ) With surface penetration means

218

... (3 indent ) Recessed type

219

... (3 indent ) Tracking type (i.e., sprinkler follows hose, etc.)

220

... (3 indent ) Plural rotating arms

221

... (3 indent ) Base

222

.. (2 indent ) Simulative

223

.. (2 indent ) Hand held or controlled type

224

... (3 indent ) Direct piston or plunger actuation (i.e., without trigger or lever)

225

... (3 indent ) With material container (6)

226

... (3 indent ) Trigger, lever or button actuation

227

.... (4 indent ) Cover or guard

228

.. (2 indent ) Combined

229

.. (2 indent ) Provision for adjustment of spray pattern or flow

230

.. (2 indent ) Ball and socket joint for adjustment

231

. (1 indent ) Hand or foot operated pump or well curb

232

.. (2 indent ) Reciprocating lever actuated

233

. (1 indent ) Valve or body therefor

234

.. (2 indent ) Hydrant

235

.. (2 indent ) Pressure regulating or relieving

236

.. (2 indent ) Ballcock or float type

237

.. (2 indent ) Check

238

.. (2 indent ) Faucet fixture (7)

239

... (3 indent ) Combined (e.g., with dishwashing brush, support therefor, etc.)

240

.... (4 indent ) With soap dish or with provision therefor

241

... (3 indent ) Plural flow controls or provision therefor

242

.... (4 indent ) Distinct (i.e., when mounted, controls and spout are separated)

243

.... (4 indent ) Pivoting spout

244

.. (2 indent ) Gate or butterfly type

245

.. (2 indent ) Manual or visible mechanical control or with provision therefor (e.g., handle, lever, etc.)

246

... (3 indent ) With gauge or dial (8)

247

.. (2 indent ) Symmetrical on two or more axes

248

.. (2 indent ) Symmetrical on one axis

249

.. (2 indent ) Element or attachment

250

... (3 indent ) Handle

251

.... (4 indent ) Simulative

252

.... (4 indent ) Offset from axis

253

.... (4 indent ) Rim connected to hub by spokes

254

.... (4 indent ) With escutcheon

255

... (3 indent ) Spout (9)

256

.... (4 indent ) Simulative

257

.... (4 indent ) With control for diverter or drain

258

... (3 indent ) Float or check

259

. (1 indent ) Fitting (10)

260

.. (2 indent ) Cap, plug, vent or screen (11)

261

... (3 indent ) Drain guard or strainer (12)

262

.. (2 indent ) Coupling or joint

263

... (3 indent ) Elbow or with flow direction change

264

.... (4 indent ) Adjustable (e.g., swivel, etc.)

265

... (3 indent ) Clamp or bolt engagement

266

.. (2 indent ) Pipe, tubing or hose

267

.. (2 indent ) Gutter

268

.. (2 indent ) Trap

269

.. (2 indent ) Gasket or packing

270

SANITARY FIXTURE OR HOUSING THEREFOR

271

. (1 indent ) Combined (13)

272

.. (2 indent ) Sink and stove or refrigerator

273

.. (2 indent ) Sink, water closet and bathing unit

274

.. (2 indent ) Sink and water closet or urinal

275

.. (2 indent ) Bathtub and shower enclosure

276

. (1 indent ) Sitz bath (14)

277

. (1 indent ) Bathtub (15)

278

.. (2 indent ) Infant type

279

.. (2 indent ) With door or provision for external storage

280.1

.. (2 indent ) Symmetrical (16)

280.2

... (3 indent ) Having support handle

280.3

... (3 indent ) Having antislip surface

280.4

... (3 indent ) Footed

283

. (1 indent ) Shower or shower receptor (17)

284

. (1 indent ) Sink

285

.. (2 indent ) Simulative, or with radiating striations

286

.. (2 indent ) With cabinet or with provision for storage

287

.. (2 indent ) With drainboard (i.e., adjacent recessed inclined surface)

288

.. (2 indent ) Corner type

289

.. (2 indent ) Shampoo type (e.g., with depression on rim for neck, etc.)

290

.. (2 indent ) Plural

291

.. (2 indent ) With integral spout or hooded overflow

292

.. (2 indent ) Unitary singular support column

293.1

.. (2 indent ) Symmetrical (16)

295

. (1 indent ) Water closet, bidet or bowl therefor

296

.. (2 indent ) Infant training type

297

... (3 indent ) Simulative

298

.. (2 indent ) Simulative

299

.. (2 indent ) Self-contained (i.e., chemical or portable type)

300

.. (2 indent ) Wall mounted

301

.. (2 indent ) With water tank (18)

302

. (1 indent ) Urinal (19)

303

. (1 indent ) Element or attachment (20)

304

.. (2 indent ) Bathtub or shower

305

... (3 indent ) Surround, door or panel

306

.... (4 indent ) Front

307

... (3 indent ) Splash shield

308

.. (2 indent ) Sink (21)

309

.. (2 indent ) Water closet or urinal

310

... (3 indent ) Deflector (22)

311

... (3 indent ) Seat, or bowl cover (23)

312

.... (4 indent ) Simulative

313

... (3 indent ) Tank or tank cover

314

HEATING OR COOLING

315

. (1 indent ) Sauna or steam bath type

316

. (1 indent ) Liquid immersion type, e.g., aquarium, swimming pool, etc. (24)

317

. (1 indent ) Mobile space heater, e.g., wheeled blower type, etc.

318

. (1 indent ) Domestic water heater or boiler

319

.. (2 indent ) Boiler

320

.. (2 indent ) With door or access panel

321

.. (2 indent ) With discharge valve or tap

322

.. (2 indent ) Element

323

... (3 indent ) Heat exchange unit, e.g., coil, etc.

324

. (1 indent ) Vehicle heating or cooling

325

.. (2 indent ) Air conditioning

326

.. (2 indent ) Defroster

327

.. (2 indent ) With adjustable louver or door

328

. (1 indent ) Combined heating and cooling or with diverse element

329

. (1 indent ) Furnace

330

. (1 indent ) Radiator, e.g., spaced enclosed heat exchangers

331

.. (2 indent ) Plant life or scroll type ornamentation

332

. (1 indent ) Portable

333

.. (2 indent ) Air conditioner

334

.. (2 indent ) Animal or agricultural heater

335

.. (2 indent ) Heating element protected by grille, grid, etc.

336

... (3 indent ) Circular or cylindrical housing

337

... (3 indent ) Pedestal or pivoting head mount

338

... (3 indent ) Liquid fuel type, e.g., kerosene, etc.

339

... (3 indent ) Gas fired type

340

... (3 indent ) Quartz type

341

.. (2 indent ) Element

342

. (1 indent ) Stabile space heater

343

.. (2 indent ) Fireplace or solid fuel heating stove (25)

344

... (3 indent ) Fireplace insert

345

... (3 indent ) Masonry or tile-like surround, e.g., architectural type fireplace

346

... (3 indent ) Ornate cast iron type (26)

347

.... (4 indent ) Element therefor, e.g., stove plate, etc.

348

... (3 indent ) Circular horizontal cross section

349

... (3 indent ) Simulative

350

... (3 indent ) Symmetrical front

351

. (1 indent ) Air conditioner (27)

352

.. (2 indent ) Circular housing

353

.. (2 indent ) Window mount type

354

.. (2 indent ) Element, e.g., front panel, etc.

355

. (1 indent ) Air treatment

356

.. (2 indent ) Humidifier

357

... (3 indent ) Wall or furnace mount

358

... (3 indent ) Element

359

.. (2 indent ) Dehumidifier

360

.. (2 indent ) Vaporizer

361

... (3 indent ) Wall mount

362

... (3 indent ) Circular container

363

... (3 indent ) Element

364

.. (2 indent ) Air cleaner

365

... (3 indent ) Filter

366

.. (2 indent ) Deodorizer or ozonizer (28)

367

... (3 indent ) Simulative

368

... (3 indent ) With distinct hanger or suction cup

369

... (3 indent ) Activated by moveable cover or by piercing

370

.. (2 indent ) Fan or ventilator

371

... (3 indent ) Exhaust type

372

.... (4 indent ) Range or oven

373

.... (4 indent ) Roof or chimney

374

....• (5 indent ) Chimney

375

....• (5 indent ) Wind rotated, e.g., turbine type, etc.

376

....• (5 indent ) Circular hood

377

... (3 indent ) Blade unit rotates on vertical axis

378

... (3 indent ) Floor type on vertically elongated stand

379

... (3 indent ) With exposed blade

380

... (3 indent ) Plural impeller units, e.g., side by side, etc.

381

... (3 indent ) Wire protective grille

382

.... (4 indent ) Circular grille

383

... (3 indent ) Blower

384

... (3 indent ) Bellows

385

.. (2 indent ) Wall or ceiling mount (24)

386

. (1 indent ) Element or attachment, not elsewhere specified

387

.. (2 indent ) Flow director (29)

388

... (3 indent ) Register or diffuser

389

.... (4 indent ) Baseboard type

390

.... (4 indent ) Circular

391

.... (4 indent ) Arched or curved top

392

.... (4 indent ) Adjustable louver or damper

393

... (3 indent ) Vent, ductwork, or element thereof

394

.... (4 indent ) Stovepipe

395

.. (2 indent ) Radiator cover or cabinet

396

.. (2 indent ) Stoker

397

.. (2 indent ) Grate

398

... (3 indent ) Fireplace type (30)

399

.... (4 indent ) Hollow tube circulator with blower unit

400

.... (4 indent ) Perforated or expanded metal

401

.... (4 indent ) Enclosed four sides

402

... (3 indent ) Stove or furnace type

403

.. (2 indent ) Fireplace element not elsewhere specified

404

... (3 indent ) Mantle or frame for opening

405

... (3 indent ) Lining or enclosure for opening (31)

406

.... (4 indent ) Screen

407

... (3 indent ) Andiron or fire dog

408

.... (4 indent ) Simulative

409

... (3 indent ) Artificial log burner element

410

.. (2 indent ) Coal scuttle or wood holder

411

.. (2 indent ) Fan element

412

... (3 indent ) Fan guard

413

... (3 indent ) Fan or ventilator blade

414

.... (4 indent ) With circumferential band

415

.. (2 indent ) Burner or heater coil

416

... (3 indent ) Oil type

417

... (3 indent ) Electric

418

... (3 indent ) Element

419

.... (4 indent ) Radiant

420

.. (2 indent ) Ash pan or sifter

421

.. (2 indent ) Valve or control

422

.. (2 indent ) Fire brick

499

MISCELLANEOUS

SEARCH NOTES FOR CLASS D23

(1) For cap or plug, see subclass 260. For underwater breathing apparatus, valves, or regulators, see D24-110.5+.

(2) For filter disclosed as part of a faucet, see subclasses 238+ For aerator, see subclass 213.

(3) For battery water dispenser, see subclass 200.

(4) For aerator disclosed as part of a faucet, see subclasses 238+. For shower head disclosed with shower unit structure, see subclass 283.

(5) For hose nozzle or hand held sprayer, see subclasses 223+. For time or control, see subclass 245.

(6) Container must be shown in full or in broken lines.

(7) If disclosed with sink, classified in subclasses 284+.

(8) For gauge or dial, per se, see Class D10.

(9) Includes spout with provision for diverter control. If provision is made for flow control handle, patent is classified as faucet in subclasses 238+.

(10) Includes overflow fitting.

(11) Includes sink stopper.

(12) Includes urinal screen.

(13) For faucet combined with sink and/or cabinet, see subclasses 284+.

(14) For bidet, see subclass 295.

(15) For front panel or sub-assembly, see subclasses 304+.

(16) Exclusive of drain or overflow opening.

(17) For bathtub surround, see subclass 305. For shower head, per se, or with associated plumbing only (such as valve), see subclass 213.

(18) For tank, per se, see subclass 313.

(19) For water closet attachment type, see subclass 310.

(20) Includes leg or support For overflow fitting, see subclass 261 For drain stopper or screen see, respectively, subclasses 260 and 261.

(21) For drain stopper or screen see, respectively, subclasses 260 and 261.

(22) For drain screen, see subclass 261.

(23) For infant training seat, see subclass 296. For seat lifter handle, see D8-307.

(24) Includes element.

(25) Stoves with upper and lower doors, e.g., for fuel supply and ash removal are included in this subclass.

(26) Highly surface ornamented parlor or Franklin-type stoves of the late 19th and early 20th century variety. Ornamentation usually formed as part of the casting.

(27) Includes cooling tower.

(28) Includes all air freshener articles.

(29) See air conditioner element, subclass 354 for additional flow director panels.

(30) Search subclass 405 for grate combined with interior lining.

(31) Decorative panel for season use.

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