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US2692020A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable die cutting and work feeding apparatus

Assignee: Individual
•
Filing: 1954-06-10
•
Granted: 1954-10-19
•
Expires: 1974-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred A Oberhardt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:51
CPC Classifications
B; B26; B26F; B26F1/00; B26F2210/00; B26F2210/12; B26F2210/16; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/869; Y10T83/8702; Y10T83/8704; Y10T83/8725

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US599276A Cited
US1041341A Cited
US1905837A Cited
US1953750A Cited
US2186463A Cited
US2168400A Cited
US2413554A Cited
US2529263A Cited
US2551368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-10-18 1958-04-19 1958-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-10-18 1962-04-19 1962-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-10-18 1966-04-19 1966-10-19 $7700.00 Window Closed / Lapsed

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