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US1948605A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for producing closed ended tubes of celluloid or the like

Assignee: Individual
•
Filing: 1930-09-03
•
Granted: 1934-02-27
•
Expires: 1950-09-03
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Abstract

No abstract record available.

Inventors

  • 👤 John N Whitehouse

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:41
CPC Classifications
B; B29; B29C; B29C57/00; B29C57/10; Y; Y10; Y10S; Y10S264/00; Y10S264/76

Claims Analysis

Total Claims: 0
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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) 1937-02-26 1937-08-28 1938-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-02-26 1941-08-28 1942-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-02-26 1945-08-28 1946-02-27 $7700.00 Window Closed / Lapsed

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