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US2665893A Expired / Lapsed US ⏱️ 0.0 years remaining

Bit securing device for rotary pavement cutters or the like

Assignee: Joy Manufacturing Co
•
Filing: 1949-09-10
•
Granted: 1954-01-12
•
Expires: 1969-09-10
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Abstract

No abstract record available.

Inventors

  • 👤 Charles F Ball

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:48
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; B28D1/122; E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0926; E01C23/0933; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1938

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US462264A Cited
DE352817C Cited
US872890A Cited
US945675A Cited
US1320482A Cited
US2190000A Cited
GB551996A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-01-11 1957-07-13 1958-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-11 1961-07-13 1962-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-11 1965-07-13 1966-01-12 $7700.00 Window Closed / Lapsed

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