US2549010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable insert for valves
Assignee: Individual
•
Filing: 1946-04-24
•
Granted: 1951-04-17
•
Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Rhodes Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:23
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/46; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1099389A
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US1391403A
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US1431701A
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US1667580A
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US1934486A
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US2008657A
Cited
US2190147A
Cited
US2277388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |