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US1777929A Expired / Lapsed US ⏱️ 0.0 years remaining

Key-holding device

Assignee: Individual
•
Filing: 1927-03-18
•
Granted: 1930-10-07
•
Expires: 1947-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Verne J Mccaul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:09
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/324; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676

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) 1933-10-06 1934-04-07 1934-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-10-06 1938-04-07 1938-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-10-06 1942-04-07 1942-10-07 $7700.00 Window Closed / Lapsed

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