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US2708867A Expired / Lapsed US ⏱️ 0.0 years remaining

Heating and cooling structure for automobile drive-in theatres

Assignee: Individual
•
Filing: 1951-12-10
•
Granted: 1955-05-24
•
Expires: 1971-12-10
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Emil L Turner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:40
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US29872A Cited
US1335526A Cited
US2529425A Cited
US2521654A Cited
US2614478A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-05-23 1958-11-22 1959-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-05-23 1962-11-22 1963-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-05-23 1966-11-22 1967-05-24 $7700.00 Window Closed / Lapsed

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