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421. Classification definitions-Continued. class 267. Spring devices; revised by Office of Examining and Classifying Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Nov. 1967

422. Classification definitions-Continued. class 269. Work holders; revised by Office of Examining and Classifying Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Oct. 1967

423. Classification definitions-Continued. class 274. Sound recording and reproducing; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Dec. 1967

424. Classification definitions-Continued. class 285. Pipe joints or couplings; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Oct. 1967

425. Classification definitions-Continued. class 310. Electrical generator or motor structure; revised by Office of Examining and Classifying Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Oct. 1967

426. Classification definitions-Continued. class 315. Electric lamp and discharge devices, systems; revised by Office of Examining Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Dec. 1967

427. Classification definitions-Continued. class 330. Amplifiers; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Dec. 1967

428. Classification definitions-Continued. class 332. Modulators; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Nov. 1967

429. Classification definitions-Continued. class 338. Electrical resistors; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. Dec. 1967

430. Classification definitions-Continued. class 343. Communications, radio wave; revised by Office of Examining and Documentation Control.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1, Dec. 1967

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