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US971446A
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Assignee: Individual
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Filing: 1909-07-27
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Granted: 1910-09-27
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Expires: 1929-07-27
Abstract
No abstract record available.
Inventors
- 👤 Charles O Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8013
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) | 1913-09-26 | 1914-03-28 | 1914-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-26 | 1918-03-28 | 1918-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-26 | 1922-03-28 | 1922-09-27 | $7700.00 | Window Closed / Lapsed |