US2961508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relay for fluid containing enclosures
Assignee: General Electric Co
•
Filing: 1959-03-26
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Granted: 1960-11-22
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Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Minneci Salvatore
- 👤 Kurt W Eissmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/55; G; G01; G01L; G01L19/00; G01L19/08; H01F; H01F27/00; H01F27/40; H01F27/402; H01F27/404; H01F27/406
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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |