uspto.gov
Skip over navigation

Classes 156 - 157

Class

From Sub

To Sub

Order No.

Action

Date

           

156

2

25

569

Abolished

1977-Jan-11

156

89

 

1675

Abolished

1998-Feb-03

156

89.11

89.28

1675

Established

1998-Feb-03

156

110

 

905

Abolished

1983-Sep-13

156

110.1

 

905

Established

1983-Sep-13

156

128

 

868

Abolished

1982-Nov-08

156

128.1

 

868

Established

1982-Nov-08

156

128.6

 

868

Established

1982-Nov-08

156

130.3

 

868

Established

1982-Nov-08

156

130.5

 

868

Established

1982-Nov-08

156

130.7

 

868

Established

1982-Nov-08

156

244

 

625

Abolished

1978-Apr-03

156

244.11

244.19

625

Established

1978-Apr-03

156

244.21

244.27

625

Established

1978-Apr-03

156

272

275

838

Abolished

1982-Apr-30

156

292.2

272.5

838

Established

1982-Apr-30

156

304

 

736

Abolished

1980-Jun-03

156

304.1

304.7

736

Established

1980-Jun-03

156

306

 

726

Abolished

1980-Apr-01

156

306.3

306.9

726

Established

1980-Apr-01

156

307

 

726

Abolished

1980-Apr-01

156

307.4

 

779

Established

1981-Apr-06

156

307.8

307.7

726

Established

1980-Apr-01

156

308

 

726

Abolished

1980-Apr-01

156

308.2

308.8

726

Established

1980-Apr-01

156

309

 

726

Abolished

1980-Apr-01

156

309.3

309.9

726

Established

1980-Apr-01

156

324.4

 

726

Established

1980-Apr-01

156

330.9

 

779

Established

1981-Apr-06

156

331

 

779

Abolished

1981-Apr-06

156

331.1

331.9

779

Established

1981-Apr-06

156

344

 

1907

Abolished

2011-Apr-05

156

345

 

1805

Abolished

2002-Mar-05

156

345.1

345.55

1805

Established

2002-Mar-05

156

379.6

379.9

810

Established

1981-Oct-14

156

380

 

810

Abolished

1981-Oct-14

156

380.1

380.9

810

Established

1981-Oct-14

156

394

 

877

Abolished

1983-Jan-11

156

394.1

 

877

Established

1983-Jan-11

156

405

 

867

Abolished

1982-Nov-08

156

405.1

 

867

Established

1982-Nov-08

156

406.2

 

867

Established

1982-Nov-08

156

406.4

 

867

Established

1982-Nov-08

156

406.6

 

867

Established

1982-Nov-08

156

421.2

 

877

Established

1983-Jan-11

156

421.4

 

877

Established

1983-Jan-11

156

421.6

 

877

Established

1983-Jan-11

156

421.8

 

877

Established

1983-Jan-11

156

477

 

866

Abolished

1982-Nov-08

156

477.1

 

866

Established

1982-Nov-08

156

580.1

580.2

533

Established

1976-Jul-15

156

583

 

675

Abolished

1979-Apr-03

156

583.1

583.9

675

Established

1979-Apr-03

156

583.91

 

675

Established

1979-Apr-03

156

584

 

1907

Abolished

2011-Apr-05

156

600

624

1487

Abolished

1994-May-03

156

616

620

1163

Abolished

1988-Feb-02

156

616.1

620.76

1163

Established

1988-Feb-02

156

625

658

569

Established

1977-Jan-11

156

625

658

1546

Abolished

1995-May-02

156

625.1

640.1

1640

Abolished

1997-Aug-05

156

625.1

 

1546

Established

1995-May-02

156

626.1

 

1546

Established

1995-May-02

156

627.1

 

1546

Established

1995-May-02

156

628.1

 

1546

Established

1995-May-02

156

629.1

 

1546

Established

1995-May-02

156

630.1

 

1546

Established

1995-May-02

156

631.1

 

1546

Established

1995-May-02

156

632.1

 

1546

Established

1995-May-02

156

633.1

 

1546

Established

1995-May-02

156

634.1

 

1546

Established

1995-May-02

156

635.1

 

1546

Established

1995-May-02

156

636.1

 

1546

Established

1995-May-02

156

637.1

 

1546

Established

1995-May-02

156

638.1

 

1546

Established

1995-May-02

156

639.1

 

1546

Established

1995-May-02

156

640.1

 

1546

Established

1995-May-02

156

642.1

657.1

1546

Established

1995-May-02

156

642.1

657.1

1640

Abolished

1997-Aug-05

156

659

 

710

Abolished

1979-Nov-06

156

659.1

 

710

Established

1979-Nov-06

156

659.1

 

1546

Abolished

1995-May-02

156

659.11

 

1546

Established

1995-May-02

156

659.11

 

1640

Abolished

1997-Aug-05

156

660

 

1546

Abolished

1995-May-02

156

661

 

710

Abolished

1979-Nov-06

156

661.1

 

710

Established

1979-Nov-06

156

661.1

 

1546

Abolished

1995-May-02

156

661.11

662.1

1546

Established

1995-May-02

156

661.11

 

1640

Abolished

1997-Aug-05

156

662

668

569

Established

1977-Jan-11

156

662

668

1546

Abolished

1995-May-02

156

662.1

 

1640

Abolished

1997-Aug-05

156

700

719

1907

Established

2011-Apr-05

156

750

767

1907

Established

2011-Apr-05

156

901

905

569

Established

1977-Jan-11

156

901

905

1546

Abolished

1995-May-02

156

906

907

867

Established

1982-Nov-08

156

908

 

866

Established

1982-Nov-08

156

909

 

877

Established

1983-Jan-11

156

910

 

905

Established

1983-Sep-13

156

911

 

1163

Established

1988-Feb-02

156

911

 

1487

Abolished

1994-May-03

156

912

917

1805

Established

2002-Mar-05

156

918

932

1907

Established

2011-Apr-05

156

934

943

1907

Established

2011-Apr-05

156

DIG 61

DIG 115

1487

Abolished

1994-May-03

157

14

21

757

Established

1980-Oct-28

 

United States Patent and Trademark Office
This page is owned by Office of Patent Classification.
Last Modified: 7/7/2011 5:59:31 PM