US2609832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulator
Assignee: Individual
•
Filing: 1946-07-06
•
Granted: 1952-09-09
•
Expires: 1966-07-06
Abstract
No abstract record available.
Inventors
- 👤 Merton J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US190884A
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US934083A
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US1379092A
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US1568057A
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US1786283A
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US2150266A
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US2351873A
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US2335829A
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US2336968A
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US2388820A
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US2360816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |