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US2804130A Expired / Lapsed US ⏱️ 0.0 years remaining

Elastomer products

Assignee: Dunlop Rubber Co Ltd
•
Filing: 1954-05-13
•
Granted: 1957-08-27
•
Expires: 1974-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Dunn Richard Lawrence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:13
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/15; A47C27/142; A47C27/144

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB392550A Cited
US2180304A Cited
US2364036A Cited
US2499965A Cited
US2604663A Cited
FR1035319A Cited
GB683754A Cited
US2674752A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-08-26 1961-02-25 1961-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-08-26 1965-02-25 1965-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-08-26 1969-02-25 1969-08-27 $7700.00 Window Closed / Lapsed

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