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US1753631A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure element

Assignee: United Carr Fastener Corp
•
Filing: 1927-07-14
•
Granted: 1930-04-08
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Expires: 1947-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 Rollo F Walters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:57
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/14; Y; Y10; Y10S; Y10S285/00; Y10S285/901; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/1324; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0907

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1933-04-07 1933-10-07 1934-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-04-07 1937-10-07 1938-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-04-07 1941-10-07 1942-04-08 $7700.00 Window Closed / Lapsed

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