FR744979A - - Google Patents
Info
- Publication number
- FR744979A FR744979A FR744979DA FR744979A FR 744979 A FR744979 A FR 744979A FR 744979D A FR744979D A FR 744979DA FR 744979 A FR744979 A FR 744979A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US577244A US1987343A (en) | 1931-11-25 | 1931-11-25 | Automatic control system for tabulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744979A true FR744979A (en, 2012) | 1933-04-29 |
Family
ID=24307886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744979D Expired FR744979A (en, 2012) | 1931-11-25 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1987343A (en, 2012) |
| DE (1) | DE652388C (en, 2012) |
| FR (1) | FR744979A (en, 2012) |
| GB (1) | GB409370A (en, 2012) |
-
0
- FR FR744979D patent/FR744979A/fr not_active Expired
-
1931
- 1931-11-25 US US577244A patent/US1987343A/en not_active Expired - Lifetime
-
1932
- 1932-10-19 DE DET41514D patent/DE652388C/de not_active Expired
- 1932-10-31 GB GB3059032A patent/GB409370A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE652388C (de) | 1937-11-01 |
| GB409370A (en) | 1934-04-30 |
| US1987343A (en) | 1935-01-08 |