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US3230561A Expired / Lapsed US ⏱️ 0.0 years remaining

Foundry flask cleaning machine

Assignee: TACCONE CORP
•
Filing: 1963-12-13
•
Granted: 1966-01-25
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Expires: 1983-12-13
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Abstract

No abstract record available.

Inventors

  • 👤 Russell W Taccone

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:55
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02; Y; Y10; Y10S; Y10S425/00; Y10S425/116

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US267365A Cited
US1631455A Cited
US2342443A Cited
US2412876A Cited
US2536185A Cited
US2482928A Cited
US2673363A Cited
US2974932A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-24 1969-07-26 1970-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-24 1973-07-26 1974-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-24 1977-07-26 1978-01-25 $7700.00 Window Closed / Lapsed

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