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US2373380A Expired / Lapsed US ⏱️ 0.0 years remaining

Clasp for envelopes and the like

Assignee: Individual
•
Filing: 1943-03-05
•
Granted: 1945-04-10
•
Expires: 1963-03-05
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Abstract

No abstract record available.

Inventors

  • 👤 William P Cameron

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:42
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/12; B65D27/20; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/54; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45183

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) 1948-04-09 1948-10-09 1949-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-04-09 1952-10-09 1953-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-04-09 1956-10-09 1957-04-10 $7700.00 Window Closed / Lapsed

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