US2657704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1947-12-29
•
Granted: 1953-11-03
•
Expires: 1967-12-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Fausek
- 👤 Irwing F Fausek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:00
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K15/00; F16K15/18; F16K15/182; F16K15/14; F16K15/144; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6133; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836; Y10T137/7837; Y10T137/7876; Y10T137/7877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US486501A
Cited
US783528A
Cited
US1472366A
Cited
US1435832A
Cited
FR31412E
Cited
US1608618A
Cited
US1962740A
Cited
US1994958A
Cited
FR760852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |