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US2803368A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal insulated carrying cases and sealing means for same

Assignee: Individual
•
Filing: 1954-12-06
•
Granted: 1957-08-20
•
Expires: 1974-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Maurice P Koch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:58
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/008; A45C11/00; A45C11/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1504353A Cited
US1711115A Cited
US2311613A Cited
US2552641A Cited
US2502581A Cited
US2645332A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-08-19 1961-02-18 1961-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-08-19 1965-02-18 1965-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-08-19 1969-02-18 1969-08-20 $7700.00 Window Closed / Lapsed

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