US2730371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for chucks, clutches and like devices
Assignee: C V A Jigs Moulds & Tools Ltd
•
Filing: 1951-07-17
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Granted: 1956-01-10
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Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 Pulman William Elias Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:21
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US668087A
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US814647A
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US905518A
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US1163386A
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US2040601A
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US2310259A
Cited
US2338060A
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US2436848A
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US2467569A
Cited
US2475519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |