US904497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cut-off.
Assignee: Individual
•
Filing: 1906-10-09
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Granted: 1908-11-17
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Expires: 1926-10-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Cowdrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:46
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/034; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/6995; Y10T137/7025; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7874
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) | 1911-11-17 | 1912-05-18 | 1912-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-11-17 | 1916-05-18 | 1916-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-11-17 | 1920-05-18 | 1920-11-17 | $7700.00 | Window Closed / Lapsed |