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US2618497A Expired / Lapsed US ⏱️ 0.0 years remaining

Lockable trunk lid extension for automobiles

Assignee: Individual
•
Filing: 1949-09-21
•
Granted: 1952-11-18
•
Expires: 1969-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Walter D Gardels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:18
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/042; Y; Y10; Y10S; Y10S292/00; Y10S292/43; Y10T; Y10T292/00; Y10T292/28; Y10T292/285; Y10T292/288; Y10T292/34; Y10T292/65; Y10T292/67; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5164

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US683321A Cited
US1003389A Cited
US965987A Cited
US1186322A Cited
US1562972A Cited
US1639870A Cited
US2117072A Cited
US2199369A Cited
US2504367A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-18 1956-05-19 1956-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-18 1960-05-19 1960-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-18 1964-05-19 1964-11-18 $7700.00 Window Closed / Lapsed

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