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US2773278A Expired / Lapsed US ⏱️ 0.0 years remaining

Automobile door hinge embodying hold-open means

Assignee: Atwood Vacuum Machine Co
•
Filing: 1952-05-10
•
Granted: 1956-12-11
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Expires: 1972-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Seth B Atwood
  • 👤 Johnson Agnar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:29
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/16; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US313457A Cited
US406840A Cited
US1343347A Cited
US701554A Cited
US906514A Cited
US1042936A Cited
US1521134A Cited
US2095866A Cited
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US2218372A Cited
US2441600A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-11 1960-06-11 1960-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-11 1964-06-11 1964-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-11 1968-06-11 1968-12-11 $7700.00 Window Closed / Lapsed

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