GB378970A - Improvements in or relating to accounting machines employing perforated cards or strips - Google Patents
Improvements in or relating to accounting machines employing perforated cards or stripsInfo
- Publication number
- GB378970A GB378970A GB15176/31A GB1517631A GB378970A GB 378970 A GB378970 A GB 378970A GB 15176/31 A GB15176/31 A GB 15176/31A GB 1517631 A GB1517631 A GB 1517631A GB 378970 A GB378970 A GB 378970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- electromagnets
- card
- cards
- levers
- Prior art date
- 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
Landscapes
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE616341T | 1930-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB378970A true GB378970A (en) | 1932-08-22 |
Family
ID=34812893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15176/31A Expired GB378970A (en) | 1930-06-03 | 1931-05-22 | Improvements in or relating to accounting machines employing perforated cards or strips |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3033449A (en) * | 1958-10-20 | 1962-05-08 | Cummins Chicago Corp | Coded information reading apparatus |
-
0
- NL NL33766D patent/NL33766C/xx active
-
1930
- 1930-06-03 DE DE1930616341D patent/DE616341C/de not_active Expired
-
1931
- 1931-05-19 AT AT134840D patent/AT134840B/de active
- 1931-05-22 GB GB15176/31A patent/GB378970A/en not_active Expired
- 1931-05-27 FR FR717684D patent/FR717684A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL33766C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR717684A (fr) | 1932-01-12 |
| AT134840B (de) | 1933-10-10 |
| DE616341C (de) | 1935-08-01 |
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