US2880748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor valve structure
Assignee: Individual
•
Filing: 1954-08-02
•
Granted: 1959-04-07
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Cleo A Elsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:26
CPC Classifications
F; F16; F16K; F16K43/00; F16K43/001; F16K43/003; F16K1/00; F16K1/32; F16K1/34; F16K1/44; F16K31/00; F16K31/12; F16K31/126; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5196; Y10T137/598; Y10T137/6089; Y10T137/7504; Y10T137/7668; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86767; Y10T137/86783; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87265; Y10T137/87338; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US128663A
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US1486111A
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US1648986A
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US1991032A
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US2008125A
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US2399111A
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US2633862A
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GB657112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |