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US2640347A Expired / Lapsed US ⏱️ 0.0 years remaining

Key case

Assignee: Individual
•
Filing: 1951-04-30
•
Granted: 1953-06-02
•
Expires: 1971-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Majeski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:21
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; A45C11/321; A45C11/327; A45C11/328; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1494242A Cited
US1972880A Cited
GB510358A Cited
GB530249A Cited
US2344581A Cited
US2481295A Cited
US2575424A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-01 1956-12-01 1957-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-01 1960-12-01 1961-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-01 1964-12-01 1965-06-02 $7700.00 Window Closed / Lapsed

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