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US3014273A Expired / Lapsed US ⏱️ 0.0 years remaining

Cold forming methods

Assignee: Appel Process Ltd
•
Filing: 1958-01-06
•
Granted: 1961-12-26
•
Expires: 1978-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Gerhard H Appel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:21
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/02; B21J7/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US874448A Cited
CA463637A Cited
US1819376A Cited
GB356483A Cited
US2114302A Cited
US2197391A Cited
US2433152A Cited
US2410742A Cited
US2617319A Cited
US2786267A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-25 1965-06-26 1965-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-25 1969-06-26 1969-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-25 1973-06-26 1973-12-26 $7700.00 Window Closed / Lapsed

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