US2931532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivets and method of riveting
Assignee: Townsend Co
•
Filing: 1955-04-25
•
Granted: 1960-04-05
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Gapp Roland Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:31
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1054; B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/043; B21J15/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896028A
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GB531125A
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US2372222A
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US2405898A
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US2501567A
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US2466811A
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GB596275A
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US2691915A
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US2635501A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |