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US3040844A Expired / Lapsed US ⏱️ 0.0 years remaining

Arrangement to control power source movement via slack elimination in a brake rigging or the like

Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1962-06-26
•
Expires: 1978-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Robert M Holloway
  • 👤 Robert L Ludington

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:27
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0007; B61H15/0014; B61H15/0021; B61H13/00; B61H13/20; B61H13/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US535774A Cited
US1837473A Cited
US1951014A Cited
US1908315A Cited
US2559779A Cited
US2922500A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-25 1965-12-25 1966-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-25 1969-12-25 1970-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-25 1973-12-25 1974-06-26 $7700.00 Window Closed / Lapsed

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