Patent US900329A successfully refreshed from Google Patents.
US900329A
Expired / Lapsed
US
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Steam-trap.
Assignee: Individual
•
Filing: 1907-11-30
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Granted: 1908-10-06
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Expires: 1927-11-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:36
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20; F16T1/26; F16T1/28; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3056; Y10T137/3059; Y10T137/3062; Y10T137/3065
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) | 1911-10-06 | 1912-04-06 | 1912-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-10-06 | 1916-04-06 | 1916-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-10-06 | 1920-04-06 | 1920-10-06 | $7700.00 | Window Closed / Lapsed |