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US2884848A Expired / Lapsed US ⏱️ 0.0 years remaining

Swivel mount and air guide device including the same

Assignee: Elgen Manufacturing Corp
•
Filing: 1958-02-07
•
Granted: 1959-05-05
•
Expires: 1978-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Perlin Fred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:24
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/081

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US425542A Cited
US688400A Cited
US1675792A Cited
US1675788A Cited
US1963814A Cited
US2007716A Cited
US2051613A Cited
US2715250A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-04 1962-11-03 1963-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-04 1966-11-03 1967-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-04 1970-11-03 1971-05-05 $7700.00 Window Closed / Lapsed

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