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US2812938A Expired / Lapsed US ⏱️ 0.0 years remaining

Registering drive for a web

Assignee: CHAMPLAIN CO Inc
•
Filing: 1954-03-11
•
Granted: 1957-11-12
•
Expires: 1974-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Lawrence H Haskin
  • 👤 Sorkin Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:38
CPC Classifications
B; B26; B26D; B26D9/00; B26D5/00; B26D5/20; B26D5/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2082705A Cited
US2057295A Cited
US2109505A Cited
US2348862A Cited
US2334074A Cited
US2548136A Cited
US2500230A Cited
US2529161A Cited
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US2706944A Cited
US2628556A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-11-11 1961-05-13 1961-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-11-11 1965-05-13 1965-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-11-11 1969-05-13 1969-11-12 $7700.00 Window Closed / Lapsed

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