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US3011466A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a fin collar

Assignee: Modine Manufacturing Co
•
Filing: 1955-05-04
•
Granted: 1961-12-05
•
Expires: 1975-05-04
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Abstract

No abstract record available.

Inventors

  • 👤 Clyde S Simpelaar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:25
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1960955A Cited
US2216778A Cited
US2307355A Cited
US2636253A Cited
US2707822A Cited
US2698548A Cited
US2731245A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-04 1965-06-05 1965-12-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-04 1969-06-05 1969-12-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-04 1973-06-05 1973-12-05 $7700.00 Window Closed / Lapsed

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