|
|
Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
You are viewing a USPC Schedule. |
Class 351 | OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING |
Click here for a printable version of this file |
200 | EYE EXAMINING OR TESTING INSTRUMENT |
201 | For fusion and space perception testing (e.g., stereoscopic vision) |
203 | Eye exercising or training type |
204 | For interpupillary distance measuring or lens positioning |
205 | Objective type |
206 | Including eye photography |
207 | Having spurious reflection blocking |
208 | Having means to detect proper distance or alignment (i.e., eye to instrument) |
209 | Including eye movement detection |
211 | Including projected target image |
213 | Including light filter or absorber |
214 | Including diaphram or slit |
215 | Including light polarizing means |
216 | Including lens selectively insertable in optical path |
219 | With contact lens |
220 | Including reflectors with off-set surfaces |
221 | Including illuminator |
222 | Subjective type |
223 | Self examining type |
224 | Perimeter type |
227 | Including trial frame |
228 | With multifocal lens |
229 | With plural lens carrier |
230 | With individual lens holder |
231 | Removably attachable to eye glass frame |
232 | With light polarzing lens |
233 | Lens or filter selectively insertable in optical path |
237 | Including target image projection |
239 | Including test chart or target |
245 | Support |
246 | Methods of use |
41 | SPECTACLES AND EYEGLASSES |
42 | Lens repair devices |
43 | Floating or underwater type |
44 | With antiglare or shading |
45 | Partially occluding the light-path area |
46 | Perforated opaque plates or shields |
47 | Removable and/or adjustable filters or screens (e.g., clip-on type) |
49 | Polarizing |
50 | With rear-view reflectors |
51 | With decoration or ornamentation |
53 | Shooting type |
54 | Invertible or reversible multifocal type |
55 | With vertical adjustment of multifocal lenses |
56 | Lorgnette type |
57 | With auxiliary lenses movable in and out of the optical path (e.g., clip-on type attachments) |
59 | Lens pivots in and out of optical path |
60 | With lens suspension bar (e.g., torsion bar) |
61 | U-shape or half-moon lens below eye level |
62 | With moisture prevention or absorption |
63 | Folding |
65 | Pince-nez type (including pince-nez bridges, nose grips and nose pads therefor) |
66 | With ear chain or temple |
67 | Plural bridges |
68 | With resilient extensible bridge |
69 | Lens and nose grip movable on flexible bridge |
70 | Posts or studs connecting bridge and nose grip |
71 | With spring biased nose grips |
76 | With adjustable or rockable nose grips or pads |
78 | Nose pads or cushions |
83 | Continuous rim mounting |
84 | With rotating means for multifocal lenses |
85 | Upper rim portion slotted |
86 | With lens retaining or locking means |
87 | Nose guards or pads integral with frame |
88 | Nose guards or pads removable or adjustable |
89 | With brace arm temple support |
90 | Split rim mounting |
91 | With brow pieces or top arms |
93 | With brace arm supports for temple or lens |
94 | With auxiliary bridge |
95 | Expansible and contractible lens rim |
96 | Locking member secures lens against rotation |
97 | Split connected by U-clamps or pivot links |
98 | Split on nasal side of rim (i.e., at bridge) |
99 | Clamp and temple pivot screw spaced along rim clamping arm |
100 | Clamp and temple pivot screw coincident on rim clamping arm |
101 | Metal clamps embrace the rims and connect to bridge and/or temples |
102 | Combined metal and plastic rims |
103 | Brace arm or semi-rimless mounting |
104 | Arm or rim of plastic or of different material (e.g., metal and plastic) |
105 | Detachable brace arm |
106 | Screwless lens mounting |
107 | With adjustable lens or frame part |
108 | Brace arm supports lens at two spaced points or constitutes a partial rim |
109 | Brace arm extends along edge of lens |
110 | Rimless mounting |
111 | Temples |
112 | With pocket clip or clasp |
113 | Spring biased |
114 | Resilient or flexible |
115 | Reversible or axially rotatable |
116 | Detachable |
117 | With covered core or rod (e.g., reinforced) |
118 | Extensible (e.g., with adjustable sleeve member |
119 | Two-part type (e.g., jointed) |
120 | Inclined to lens plane |
121 | With connector |
122 | With skin protecting earpiece covering |
123 | With head or ear engaging attachments |
124 | Bridges |
125 | Crossbar type |
126 | Flexible |
128 | Adjustable |
129 | Reinforced |
130 | With auxiliary support |
131 | With nose grip or guard integral with bridge |
132 | With nose grip, nose guard, pad, or cushion |
133 | With connectors or straps |
136 | Nose pads or cushions |
140 | Connectors |
141 | With screw locking means |
142 | Strap type |
143 | With particular bracing bar or stud |
144 | With cementing or fusing |
145 | With cushion around lens screw or bolt |
147 | With serrated interengaging parts |
148 | Adjusting |
149 | With interengaging projection and recess |
150 | With resilient parts (e.g., resilient strap arms) |
152 | With clamping arms |
153 | With particular hinge |
154 | Lens linings or rims |
155 | With support or holder (e.g., on hat or cap) |
158 | Combined |
159 | Ophthalmic lenses or blanks |
160R | Eye contact type |
163 | With light filtering means |
166 | With lens protective layers |
167 | Cataract correction type |
168 | Multifocal |
169 | Gradually varying focal power |
170 | With prismatic segment |
171 | Three or more foci |
172 | Multiple elements |
173 | Image size (aniseikonia) correction |
174 | With beveled, polished or reinforced edges |
175 | Prismatic type |
176 | Focus and/or astigmatism correction |
177 | Methods |
178 | Methods (e.g., securing lenses in mountings) |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.
Please send questions and comments to usptoinfo@uspto.gov .
Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information
Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
Contact Information
Or, browse
their on-line catalog.
The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website. |
|