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US2307808A Expired / Lapsed US ⏱️ 0.0 years remaining

Ring lock

Assignee: Individual
•
Filing: 1940-10-31
•
Granted: 1943-01-12
•
Expires: 1960-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Segal Samuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 07:25
CPC Classifications
A; A44; A44B; A44B15/00; F; F16; F16B; F16B45/00; F16B45/04; F16B45/045; Y; Y10; Y10S; Y10S24/00; Y10S24/905; Y10T; Y10T24/00; Y10T24/13; Y10T24/1379; Y10T24/1397; Y10T24/39; Y10T24/3984; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757

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) 1946-01-11 1946-07-13 1947-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-01-11 1950-07-13 1951-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-01-11 1954-07-13 1955-01-12 $7700.00 Window Closed / Lapsed

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