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US2628686A Expired / Lapsed US ⏱️ 0.0 years remaining

Antiflapping lock

Assignee: RTX Corp
•
Filing: 1951-08-18
•
Granted: 1953-02-17
•
Expires: 1971-08-18
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Abstract

No abstract record available.

Inventors

  • 👤 Michel D Buivid

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 06:18
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/32; B64C27/322

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2475333A Cited
US2549887A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-02-17 1956-08-18 1957-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-02-17 1960-08-18 1961-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-02-17 1964-08-18 1965-02-17 $7700.00 Window Closed / Lapsed

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