Patent US1612971A successfully refreshed from Google Patents.
US1612971A
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Selective punching machine
Assignee: Fisk Rubber Co
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Filing: 1921-08-19
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Granted: 1927-01-04
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Expires: 1941-08-19
Abstract
No abstract record available.
Inventors
- 👤 Walter S Freeburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:54
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/162; Y10T83/166; Y10T83/169; Y10T83/444; Y10T83/447; Y10T83/4475; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-01-03 | 1930-07-05 | 1931-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-03 | 1934-07-05 | 1935-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-03 | 1938-07-05 | 1939-01-04 | $7700.00 | Window Closed / Lapsed |