Patent US2869579A successfully refreshed from Google Patents.
US2869579A
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US
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Mechanical pressure relief device
Assignee: General Electric Co
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Filing: 1956-05-10
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Granted: 1959-01-20
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Expires: 1976-05-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Wilk
- 👤 Cuzzone Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:41
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/08; H01F27/10; H01F27/12; H01F27/14; F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0413; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2525487A
Cited
US2669257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |