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US3388934A Expired / Lapsed US ⏱️ 0.0 years remaining

Hub and smooth shaft spring key arrangement

Assignee: Motors Liquidation Co
•
Filing: 1965-12-16
•
Granted: 1968-06-18
•
Expires: 1985-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Charles S Chapman
  • 👤 Richard W Craig
  • 👤 Kenneth W Gage
  • 👤 Richard W Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:03
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0876; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7022

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US329861A Cited
US1387172A Cited
US2516907A Cited
US2501940A Cited
US2711801A Cited
US2823932A Cited
US3164402A Cited
US3168341A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-18 1971-12-18 1972-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-18 1975-12-18 1976-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-18 1979-12-18 1980-06-18 $7700.00 Window Closed / Lapsed

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