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US2866267A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental hand drill

Assignee: Individual
•
Filing: 1958-02-10
•
Granted: 1958-12-30
•
Expires: 1978-02-10
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Abstract

No abstract record available.

Inventors

  • 👤 Murray J Fletcher
  • 👤 Sobsey Julius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:16
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; A61C1/052; A61C1/0007

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1000785A Cited
US2420338A Cited
US2681408A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-29 1962-06-30 1962-12-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-29 1966-06-30 1966-12-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-29 1970-06-30 1970-12-30 $7700.00 Window Closed / Lapsed

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