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US3487959A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: PEARNE & LACY MACHINE COMPANY INC A CORP OF N C
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Filing: 1967-08-25
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Granted: 1970-01-06
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Expires: 1987-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Frank S Pearne
  • 👤 Florentin J Pearne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:03
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/02; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/11

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1418003A Cited
US2040574A Cited
US2961810A Cited
US2999604A Cited
US3270897A Cited
US3260379A Cited
DE1176332B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-05 1973-07-07 1974-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-05 1977-07-07 1978-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-05 1981-07-07 1982-01-06 $7700.00 Window Closed / Lapsed

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