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US2725099A Expired / Lapsed US ⏱️ 0.0 years remaining

Door operator

Assignee: International Motors LLC
•
Filing: 1952-01-19
•
Granted: 1955-11-29
•
Expires: 1972-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 George R Frie
  • 👤 Selzer John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:25
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05Y; E05Y2800/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1007835A Cited
US1434705A Cited
US2011596A Cited
US2219340A Cited
US2239467A Cited
US2198572A Cited
US2553637A Cited
US2563248A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-11-28 1959-05-30 1959-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-11-28 1963-05-30 1963-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-11-28 1967-05-30 1967-11-29 $7700.00 Window Closed / Lapsed

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