Patent US3511266A successfully refreshed from Google Patents.
US3511266A
Expired / Lapsed
US
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Shut off and pressure regulating valve
Assignee: Firewel Co Inc
•
Filing: 1967-03-13
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Granted: 1970-05-12
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 James R Phlipot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:53
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/103; F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52491; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7754; Y10T137/7755; Y10T137/7781; Y10T137/7793; Y10T137/7808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2923315A
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CA510040A
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AT76105B
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FR578803A
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US2211167A
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US2368852A
Cited
US2646070A
Cited
US2856148A
Cited
US2753887A
Cited
US3053499A
Cited
DE1108998B
Cited
FR1310411A
Cited
US3196901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |