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US3511266A Expired / Lapsed US ⏱️ 0.0 years remaining

Shut off and pressure regulating valve

Assignee: Firewel Co Inc
•
Filing: 1967-03-13
•
Granted: 1970-05-12
•
Expires: 1987-03-13
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Abstract

No abstract record available.

Inventors

  • 👤 James R Phlipot

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 10:39
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 Cited
CA510040A Cited
AT76105B Cited
FR578803A Cited
US2211167A Cited
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

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