Patent US1432111A successfully refreshed from Google Patents.
US1432111A
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Relief-valve structure
Assignee: Atlantic Richfield Co
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Filing: 1920-01-22
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Granted: 1922-10-17
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Expires: 1940-01-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:23
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/18; F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/028; F16K15/18; F16K15/182; F16K17/00; F16K17/02; F16K17/04; F16K17/0486; F16K17/168; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7877; Y10T137/8593; Y10T137/86187; Y10T137/86196
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) | 1925-10-16 | 1926-04-17 | 1926-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-16 | 1930-04-17 | 1930-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-16 | 1934-04-17 | 1934-10-17 | $7700.00 | Window Closed / Lapsed |