US2277816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chucking means
Assignee: New Britain Machine Co
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Filing: 1939-04-20
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Granted: 1942-03-31
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Expires: 1959-04-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:36
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/001; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; B23B2226/00; B23B2226/33; B23B2231/00; B23B2231/20; B23B2231/2048; B23B2231/2062; B23B2231/2081; B23B2231/2086; Y; Y10; Y10S; Y10S279/00; Y10S279/901; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17418; Y10T279/17452; Y10T279/17478
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) | 1945-03-30 | 1945-09-29 | 1946-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-30 | 1949-09-29 | 1950-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-30 | 1953-09-29 | 1954-03-31 | $7700.00 | Window Closed / Lapsed |