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US2798746A Expired / Lapsed US ⏱️ 0.0 years remaining

Journal box dust guards

Assignee: American Brake Shoe Co
•
Filing: 1954-07-12
•
Granted: 1957-07-09
•
Expires: 1974-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Llewellyn E Hoyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 15:36
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; B; B61; B61F; B61F15/00; B61F15/20; B61F15/22; F16C2326/00; F16C2326/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE486836C Cited
FR652481A Cited
DE471801C Cited
US1849359A Cited
US2151410A Cited
GB471341A Cited
US2177441A Cited
US2211899A Cited
FR862046A Cited
US2233359A Cited
US2241870A Cited
GB673726A Cited
US2746781A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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