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US2989882A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for slitting paper webs

Assignee: Tribune Co
•
Filing: 1956-09-11
•
Granted: 1961-06-27
•
Expires: 1976-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 Robert K Remer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:57
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/08; B26D7/088; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2157; Y10T83/768; Y10T83/7809; Y10T83/783

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US341895A Cited
US1368933A Cited
US1036173A Cited
US1472450A Cited
US2067174A Cited
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US2421363A Cited
US2658427A Cited
US2668785A Cited
US2729576A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-26 1964-12-26 1965-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-26 1968-12-26 1969-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-26 1972-12-26 1973-06-27 $7700.00 Window Closed / Lapsed

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