Patent US2633876A successfully refreshed from Google Patents.
US2633876A
Expired / Lapsed
US
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Bob pin machine
Assignee: Individual
•
Filing: 1949-04-21
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Granted: 1953-04-07
•
Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Oswald V Gasser
- 👤 Douglas C Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:49
CPC Classifications
B; B21; B21F; B21F45/00; B21F45/16; B21G; B21G1/00; B21G1/003; B21G7/00; B21G7/02; B21G7/04; B21G7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US374423A
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US1326925A
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US683599A
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US740241A
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US969488A
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US1378626A
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US1691516A
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US1988822A
Cited
US2341774A
Cited
US2432339A
Cited
US2466740A
Cited
US2466733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |