Patent US2061369A successfully refreshed from Google Patents.
US2061369A
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US
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Clamping device
Assignee: Sullivan Machinery Co
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Filing: 1932-10-20
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Granted: 1936-11-17
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Expires: 1952-10-20
Abstract
No abstract record available.
Inventors
- 👤 Prendergast James
- 👤 Prendergast Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:57
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/06; B25B1/18; B25B1/24; B25B1/2405; B25B1/241; Y; Y10; Y10S; Y10S269/00; Y10S269/90
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) | 1939-11-17 | 1940-05-18 | 1940-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-17 | 1944-05-18 | 1944-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-17 | 1948-05-18 | 1948-11-17 | $7700.00 | Window Closed / Lapsed |