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US2522264A Expired / Lapsed US ⏱️ 0.0 years remaining

Control apparatus

Assignee: Wingfoot Corp
•
Filing: 1947-05-23
•
Granted: 1950-09-12
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Expires: 1967-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Jorgen I Haase

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:24
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1001339A Cited
US1584703A Cited
US1950692A Cited
US2005663A Cited
US2331354A Cited
US2384996A Cited
US2428828A Cited
US2395636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-09-11 1954-03-13 1954-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-09-11 1958-03-13 1958-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-09-11 1962-03-13 1962-09-12 $7700.00 Window Closed / Lapsed

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