US2776669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure relay
Assignee: Elsag Bailey Inc
•
Filing: 1952-09-23
•
Granted: 1957-01-08
•
Expires: 1972-09-23
Abstract
No abstract record available.
Inventors
- 👤 Harvard H Gorrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:52
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0193; F; F22; F22D; F22D5/00; F22D5/24; F22G; F22G7/00; F22G7/10; F22G7/105; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/38; G01F1/383; G05B; G05B7/00; G05B7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061118A
Cited
US2215423A
Cited
US2310298A
Cited
US2361885A
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US2298112A
Cited
US2441044A
Cited
US2507606A
Cited
US2638874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |