Patent US2534094A successfully refreshed from Google Patents.
US2534094A
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US
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Paper punch
Assignee: Individual
•
Filing: 1946-03-09
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Granted: 1950-12-12
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Expires: 1966-03-09
Abstract
No abstract record available.
Inventors
- 👤 John A Yerkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:59
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/04; B26F1/32; B26F1/36; B26D; B26D7/00; B26D7/01; B26D7/015; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/744; Y10T83/745; Y10T83/869; Y10T83/8727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1205257A
Cited
US1424895A
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US1655315A
Cited
US2327646A
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US2368790A
Cited
US2389105A
Cited
US2445093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |