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US3039340A Expired / Lapsed US ⏱️ 0.0 years remaining

Detachable connection for wrench heads

Assignee: Reed Roller Bit Co
•
Filing: 1959-11-12
•
Granted: 1962-06-19
•
Expires: 1979-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Milford S Zimmerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:29
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0035; Y; Y10; Y10T; Y10T403/00; Y10T403/61

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US498496A Cited
US619117A Cited
US1303090A Cited
DE730278C Cited
US2832246A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-18 1965-12-18 1966-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-18 1969-12-18 1970-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-18 1973-12-18 1974-06-19 $7700.00 Window Closed / Lapsed

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