Patent US929116A successfully refreshed from Google Patents.
US929116A
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US
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Gas-stoppage alarm.
Assignee: Individual
•
Filing: 1908-11-30
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Granted: 1909-07-27
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Expires: 1928-11-30
Abstract
No abstract record available.
Inventors
- 👤 William E Apt
- 👤 Edmund L Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
E; E03; E03F; E03F7/00; A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/14212
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) | 1912-07-26 | 1913-01-25 | 1913-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-26 | 1917-01-25 | 1917-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-26 | 1921-01-25 | 1921-07-27 | $7700.00 | Window Closed / Lapsed |