Patent US2430291A successfully refreshed from Google Patents.
Patent US826501A successfully refreshed from Google Patents.
US826501A
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Chuck-actuating mechanism.
Assignee: Pratt and Whitney Co Inc
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Filing: 1904-09-19
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Granted: 1906-07-17
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Expires: 1924-09-19
Abstract
No abstract record available.
Inventors
- 👤 Bengt M W Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:41
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/204; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1258; Y10T279/17; Y10T279/17411; Y10T279/17529
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) | 1909-07-16 | 1910-01-15 | 1910-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-16 | 1914-01-15 | 1914-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-16 | 1918-01-15 | 1918-07-17 | $7700.00 | Window Closed / Lapsed |