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US2665648A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of plastic masses

Assignee: Individual
•
Filing: 1949-05-16
•
Granted: 1954-01-12
•
Expires: 1969-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence W Vogt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:12
CPC Classifications
A; A01; A01J; A01J21/00; A01J21/02; A23; A23G; A23G3/00; A23G3/02; A23G3/0236; A23G3/0252; A23G3/0289

Claims Analysis

Total Claims: 0
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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) 1957-01-11 1957-07-13 1958-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-11 1961-07-13 1962-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-11 1965-07-13 1966-01-12 $7700.00 Window Closed / Lapsed

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