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Patent US2808107A successfully refreshed from Google Patents.
US2808107A
Expired / Lapsed
US
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Tabulating card reproducing punch
Assignee: Individual
•
Filing: 1954-08-25
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Granted: 1957-10-01
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Expires: 1974-08-25
Abstract
No abstract record available.
Inventors
- 👤 Berghell Robin Collingwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:10
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/02; G07C1/04; G07C1/06; B; B26; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/32; B26F1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1108492A
Cited
US1812620A
Cited
US2018420A
Cited
US2134815A
Cited
US2233662A
Cited
US2664815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |