Author: Commerce Department / Publisher: Patent Office / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Author Commerce Department Publisher Patent Office Sudoc Stem C 21.12

1. Patents. [Manual of classification of patents. 1940, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1946
SuDoc number:: C 21.12:940/p.148a-148b,rev.

2. Patents. Corrections to Manual of classification of patents, containing all corrections during period from date of publication of Manual (Jan. 1, 1940) through order 3964 (July 5, 1945).

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945 [published 1946]
SuDoc number:: C 21.12:940/errata 945

3. Patents. [Manual of classification of patents, 1940, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.170a-f

4. Patents. [Manual of classification of patents, 1940. substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.283b-283c, rev.-2, etc.

5. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, July 1-Dec. 31, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.12:940/errata 944-2

6. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, July 1-Dec. 31, 1944. [substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.123-124/rev., etc.

7. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.265-266/rev.

8. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.287-290, rev.

9. Patents. Alphabetical index to classification of patents to accompany Manual of classification of patents [1940], revised through order 3810, Apr. 4, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/ind./rev.

10. Patents. [Manual of classification of patents, 1940, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/p.21, rev.-2, 21a, etc.

« Previous
Next »
1 Current Page, Page 1
2
3
4
5
…
7
8