Patent US2937677A successfully refreshed from Google Patents.
US2937677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable toggle clamp with trigger release
Assignee: Detroit Stamping Co
•
Filing: 1955-10-07
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Granted: 1960-05-24
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Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel D Mcilwain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:19
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/12; B25B7/123; B25B5/00; B25B5/06; B25B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2501238A
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US2462709A
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US2453041A
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US2502804A
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US2574676A
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US2544329A
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US2598650A
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US2592807A
Cited
US2664774A
Cited
US2783797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |