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US2873352A Expired / Lapsed US ⏱️ 0.0 years remaining

Waterproof plastic heating pad

Assignee: VINCRAFT Inc
•
Filing: 1957-06-17
•
Granted: 1959-02-10
•
Expires: 1977-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Vincent B Franco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:32
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/014; H05B2203/017

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2022519A Cited
US2003830A Cited
US1994759A Cited
US2411677A Cited
US2610286A Cited
US2617011A Cited
US2666839A Cited
US2783358A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-09 1962-08-11 1963-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-09 1966-08-11 1967-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-09 1970-08-11 1971-02-10 $7700.00 Window Closed / Lapsed

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