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US2610501A Expired / Lapsed US ⏱️ 0.0 years remaining

Key holder

Assignee: Individual
•
Filing: 1948-03-06
•
Granted: 1952-09-16
•
Expires: 1968-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Louis J Maas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:56
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)

US165794A Cited
GB144440A Cited
GB137500A Cited
US1644018A Cited
US1848971A Cited
US1999290A Cited
US1962035A Cited
US2019036A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-16 1956-03-17 1956-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-16 1960-03-17 1960-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-16 1964-03-17 1964-09-16 $7700.00 Window Closed / Lapsed

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