Patent US2079164A successfully refreshed from Google Patents.
US2079164A
Expired / Lapsed
US
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Relief valve
Assignee: MORRISON BROTHERS Co
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Filing: 1935-12-06
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Granted: 1937-05-04
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Expires: 1955-12-06
Abstract
No abstract record available.
Inventors
- 👤 William N Glab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:30
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/40; F16K17/403; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1774; Y10T137/1782; Y10T137/1789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-03 | 1940-11-02 | 1941-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-03 | 1944-11-02 | 1945-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-03 | 1948-11-02 | 1949-05-04 | $7700.00 | Window Closed / Lapsed |