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US1935950A Expired / Lapsed US ⏱️ 0.0 years remaining

Rolling attachment for motor vehicles

Assignee: Individual
•
Filing: 1932-06-08
•
Granted: 1933-11-21
•
Expires: 1952-06-08
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Abstract

No abstract record available.

Inventors

  • 👤 James E Lawrence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:41
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/26; E01C19/266

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1936-11-20 1937-05-22 1937-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-11-20 1941-05-22 1941-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-11-20 1945-05-22 1945-11-21 $7700.00 Window Closed / Lapsed

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