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US3498677A Expired / Lapsed US ⏱️ 0.0 years remaining

Cutting apparatus

Assignee: BOWDIL CO
•
Filing: 1968-10-30
•
Granted: 1970-03-03
•
Expires: 1988-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Harry M Morrow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:11
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/18; E21C35/19; E21C35/193; E21C35/1933; E21C35/188; E21C35/191; E21C35/197; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US823640A Cited
GB191511197A Cited
US1475136A Cited
US3397012A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-02 1973-09-01 1974-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-02 1977-09-01 1978-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-02 1981-09-01 1982-03-03 $7700.00 Window Closed / Lapsed

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