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US3050080A Expired / Lapsed US ⏱️ 0.0 years remaining

Bleeder valves

Assignee: SURELOCK Manufacturing CO Inc
•
Filing: 1959-05-11
•
Granted: 1962-08-21
•
Expires: 1979-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 Pagano Frank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:10
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/044; B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/30; F16; F16K; F16K1/00; F16K1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7613; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7845; Y10T137/8593; Y10T137/87917; Y10T137/88022; Y10T137/8803; Y10T137/88054

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1684932A Cited
FR622336A Cited
US2064573A Cited
US2519569A Cited
US2611387A Cited
US2708450A Cited
US2771093A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-20 1966-02-19 1966-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-20 1970-02-19 1970-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-20 1974-02-19 1974-08-21 $7700.00 Window Closed / Lapsed

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