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US2687588A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic release for traffic control arms

Assignee: AUTOMATIC PARKING DEVICES Inc
•
Filing: 1953-05-27
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Granted: 1954-08-31
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Expires: 1973-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Hugh G Nutter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:26
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/04; E01F13/06; G; G07; G07F; G07F17/00; G07F17/14; G07F17/145

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1271877A Cited
US1734748A Cited
US2015607A Cited
US2094094A Cited
US2073834A Cited
US2528790A Cited
US2559796A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-08-30 1958-03-01 1958-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-08-30 1962-03-01 1962-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-08-30 1966-03-01 1966-08-31 $7700.00 Window Closed / Lapsed

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