US2964051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electropneumatic relay with high power output
Assignee: Robertshaw Controls Co
•
Filing: 1959-09-15
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Granted: 1960-12-13
•
Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Garnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:52
CPC Classifications
H; H01; H01H; H01H45/00; F; F15; F15B; F15B21/00; F15B21/08; F15B5/00; F15B5/006; G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB795237A
Cited
US2915045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |