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US2834983A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for fabrication of perforated tubes

Assignee: Motors Liquidation Co
•
Filing: 1955-11-30
•
Granted: 1958-05-20
•
Expires: 1975-11-30
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Abstract

No abstract record available.

Inventors

  • 👤 James A Norton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:14
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/0015; B26F1/0038; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/13; B29C48/25; B29C48/30; B29C48/32; B29C48/325; B29C48/327; B29C48/001; B29C48/0022; B29L; B29L2023/00; B29L2023/003; B29L2028/00; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10S425/00; Y10S425/037; Y10T; Y10T83/00; Y10T83/283

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US293525A Cited
US1370800A Cited
US1408877A Cited
US2582645A Cited
US2680276A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-19 1961-11-18 1962-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-19 1965-11-18 1966-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-19 1969-11-18 1970-05-20 $7700.00 Window Closed / Lapsed

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