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US2362874A Expired / Lapsed US ⏱️ 0.0 years remaining

Diaphragm switch

Assignee: STREETER AMET CO
•
Filing: 1942-09-18
•
Granted: 1944-11-14
•
Expires: 1962-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 George G Wiley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:48
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/02

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) 1947-11-14 1948-05-15 1948-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-11-14 1952-05-15 1952-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-11-14 1956-05-15 1956-11-14 $7700.00 Window Closed / Lapsed

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