Patent US2795237A successfully refreshed from Google Patents.
US2795237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float valve
Assignee: Individual
•
Filing: 1953-09-22
•
Granted: 1957-06-11
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Elbert A Corbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:13
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/304; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436; Y10T137/7439; Y10T137/7465; Y10T137/7472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1146558A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |