US2915045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve positioners
Assignee: Moore Products Co
•
Filing: 1957-05-27
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Granted: 1959-12-01
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Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Mackenzie Elbert Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/09; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |