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US3013638A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic slack take-up mechanism for cam-operated brakes

Assignee: Individual
•
Filing: 1959-03-26
•
Granted: 1961-12-19
•
Expires: 1979-03-26
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence R Satrum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:23
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/60

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1525568A Cited
US1988413A Cited
FR766811A Cited
US2109284A Cited
GB471519A Cited
US2109637A Cited
US2296026A Cited
US2650681A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-18 1965-06-19 1965-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-18 1969-06-19 1969-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-18 1973-06-19 1973-12-19 $7700.00 Window Closed / Lapsed

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