US2806494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding and driving mechanism for hollow set screws
Assignee: SPS Technologies LLC
•
Filing: 1956-03-27
•
Granted: 1957-09-17
•
Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Francis R Kull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:43
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1414; B65G47/1421; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US233062A
Cited
US1195571A
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FR460901A
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US1863314A
Cited
US2281190A
Cited
US2616324A
Cited
US2628646A
Cited
US2630221A
Cited
US2670077A
Cited
US2728252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |