Patent US3348209A successfully refreshed from Google Patents.
US1413089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction-operated gas-saving valve
Assignee: Individual
•
Filing: 1921-03-05
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Granted: 1922-04-18
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Expires: 1941-03-05
Abstract
No abstract record available.
Inventors
- 👤 Victor R Will
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
F; F02; F02M; F02M21/00; F02M2700/00; F02M2700/13; F02M2700/1305; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7749; Y10T137/7837; Y10T137/7866
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) | 1925-04-17 | 1925-10-17 | 1926-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-04-17 | 1929-10-17 | 1930-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-04-17 | 1933-10-17 | 1934-04-18 | $7700.00 | Window Closed / Lapsed |