Patent US2410546A successfully refreshed from Google Patents.
US2410546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Individual
•
Filing: 1944-08-24
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Granted: 1946-11-05
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Expires: 1964-08-24
Abstract
No abstract record available.
Inventors
- 👤 Ira E Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/20; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/8593
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) | 1949-11-04 | 1950-05-06 | 1950-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-04 | 1954-05-06 | 1954-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-04 | 1958-05-06 | 1958-11-05 | $7700.00 | Window Closed / Lapsed |