Patent US804919A successfully refreshed from Google Patents.
US804919A
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US
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Automatic chuck.
Assignee: Individual
•
Filing: 1904-07-14
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Granted: 1905-11-21
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Expires: 1924-07-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:05
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5614; Y10T408/5616; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1435
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) | 1908-11-20 | 1909-05-22 | 1909-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-20 | 1913-05-22 | 1913-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-20 | 1917-05-22 | 1917-11-21 | $7700.00 | Window Closed / Lapsed |