US2690221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching machine for punching and handling records, such as checks of various sizes
Assignee: International Business Machines Corp
•
Filing: 1952-04-11
•
Granted: 1954-09-28
•
Expires: 1972-04-11
Abstract
No abstract record available.
Inventors
- 👤 Brand Samuel
- 👤 Donald W Haney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:06
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K13/063; B; B26; B26F; B26F1/00; B26F1/02; B26F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1966623A
Cited
US2016705A
Cited
US1973246A
Cited
US2142352A
Cited
US2161612A
Cited
US2426951A
Cited
US2580788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |