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US2621822A Expired / Lapsed US ⏱️ 0.0 years remaining

Apron construction for lift trucks

Assignee: Individual
•
Filing: 1949-06-06
•
Granted: 1952-12-16
•
Expires: 1969-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas N Melin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:42
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/14; B66F9/147

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US815416A Cited
US1457639A Cited
US2178368A Cited
US2271624A Cited
US2298196A Cited
US2405312A Cited
US2471429A Cited
US2427301A Cited
US2451943A Cited
US2471192A Cited
US2513928A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-16 1956-06-16 1956-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-16 1960-06-16 1960-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-16 1964-06-16 1964-12-16 $7700.00 Window Closed / Lapsed

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