US2545000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve and fitting
Assignee: Individual
•
Filing: 1944-11-20
•
Granted: 1951-03-13
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Earnest E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:35
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/14; B25D9/16; F; F16; F16K; F16K15/00; F16K15/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7873
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US45373A
Cited
US143294A
Cited
US343327A
Cited
US2371293A
Cited
US1508635A
Cited
US2200785A
Cited
US2375498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |