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US1968669A Expired / Lapsed US ⏱️ 0.0 years remaining

H arnold

Assignee: —
•
Filing: —
•
Granted: 1934-07-31
•
Expires: 1951-07-31
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:56
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/006; G; G07; G07G; G07G1/00; G07G1/0036; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/099; Y10T83/444; Y10T83/4496; Y10T83/4498; Y10T83/869

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1937-07-30 1938-01-29 1938-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-07-30 1942-01-29 1942-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-07-30 1946-01-29 1946-07-31 $7700.00 Window Closed / Lapsed

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