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US2005266A Expired / Lapsed US ⏱️ 0.0 years remaining

Slow-opening valve

Assignee: General Controls Co
•
Filing: 1933-11-13
•
Granted: 1935-06-18
•
Expires: 1953-11-13
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Abstract

No abstract record available.

Inventors

  • 👤 William A Ray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:51
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0647

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1938-06-17 1938-12-17 1939-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-06-17 1942-12-17 1943-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-06-17 1946-12-17 1947-06-18 $7700.00 Window Closed / Lapsed

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