US2576431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief safety device
Assignee: WHITE PRODUCTS CORP
•
Filing: 1948-11-30
•
Granted: 1951-11-27
•
Expires: 1968-11-30
Abstract
No abstract record available.
Inventors
- 👤 Gerald E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US564812A
Cited
US1579141A
Cited
US1584523A
Cited
US1959822A
Cited
US1951897A
Cited
US2309856A
Cited
US2353254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |