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US1190969A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlling apparatus for elevators.

Assignee: Otis Elevator Co
•
Filing: 1912-12-04
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Granted: 1916-07-11
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Expires: 1932-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Walter C Strang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:43
CPC Classifications
B; B66; B66B; B66B5/00; B66B5/02; B66B5/04; B66B5/044; B66B1/00; B66B1/02; B66B1/04; H; H02; H02P; H02P7/00; H02P7/03; Y; Y10; Y10S; Y10S200/00; Y10S200/09; Y10T; Y10T137/00; Y10T137/0753

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1919-07-11 1920-01-10 1920-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1923-07-11 1924-01-10 1924-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1927-07-11 1928-01-10 1928-07-11 $7700.00 Window Closed / Lapsed

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