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US2071647A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaped rubber sponge

Assignee: Faultless Rubber Co
•
Filing: 1934-01-02
•
Granted: 1937-02-23
•
Expires: 1954-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon L Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:02
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/021; B29K; B29K2007/00; B29K2105/00; B29K2105/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24595

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) 1940-02-23 1940-08-24 1941-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-02-23 1944-08-24 1945-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-02-23 1948-08-24 1949-02-23 $7700.00 Window Closed / Lapsed

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