Patent US1117993A successfully refreshed from Google Patents.
US1117993A
Expired / Lapsed
US
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Automatic valve.
Assignee: Individual
•
Filing: 1912-10-08
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Granted: 1914-11-24
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Expires: 1932-10-08
Abstract
No abstract record available.
Inventors
- 👤 William Jerome Frazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:19
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D9/08; Y; Y10; Y10S; Y10S137/00; Y10S137/907; Y10S261/00; Y10S261/52; Y10S261/53; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7801; Y10T137/7805
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) | 1917-11-23 | 1918-05-25 | 1918-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-11-23 | 1922-05-25 | 1922-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-11-23 | 1926-05-25 | 1926-11-24 | $7700.00 | Window Closed / Lapsed |