Patent US2763280A successfully refreshed from Google Patents.
US2763280A
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Pressure regulating system
Assignee: Individual
•
Filing: 1950-09-12
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Granted: 1956-09-18
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Expires: 1970-09-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2931; Y10T137/3115; Y10T137/3118; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1162383A
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US1626073A
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US1718673A
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US1769612A
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US1918891A
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US1800352A
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US2039099A
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US1923788A
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US2098914A
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US2257171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |