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US3026796A Expired / Lapsed US ⏱️ 0.0 years remaining

Doctor blade assembly

Assignee: Bird Inc
•
Filing: 1960-05-13
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Granted: 1962-03-27
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Expires: 1980-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Earl A Crawford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:06
CPC Classifications
B; B41; B41F; B41F9/00; B41F9/06; B41F9/08; B41F9/10; B41F9/1036

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2178069A Cited
US2809582A Cited
US2843093A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-26 1965-09-25 1966-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-26 1969-09-25 1970-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-26 1973-09-25 1974-03-27 $7700.00 Window Closed / Lapsed

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