Patent US3433255A successfully refreshed from Google Patents.
US3433255A
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US
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Valve assembly
Assignee: SERVICE RECORDER CO
•
Filing: 1966-02-03
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Granted: 1969-03-18
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Harold A Cubberley
- 👤 Edmund Abel Jr
- 👤 John E Sackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:28
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/08; F16K17/085; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1507073A
Cited
US1647755A
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US2706885A
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US2706968A
Cited
US3103949A
Cited
US3198481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |