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US2939357A Expired / Lapsed US ⏱️ 0.0 years remaining

Cutting machines with means for automatically disabling the cutting drive and reducing the pressure of the clamp drive during replacement of the blade

Assignee: Harris Graphics Corp
•
Filing: 1957-12-19
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Granted: 1960-06-07
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Expires: 1977-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Russell I Haywood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:22
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/22; B26D7/24; B23; B23D; B23D35/00; B23D35/008; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D5/00; B26D5/08; B26D5/14; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5715; Y10T83/626; Y10T83/748; Y10T83/7487; Y10T83/7493

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1743946A Cited
US2578317A Cited
US2713407A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-07 1963-12-07 1964-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-07 1967-12-07 1968-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-07 1971-12-07 1972-06-07 $7700.00 Window Closed / Lapsed

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