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US3506002A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental syringe construction

Assignee: STERN WEB CO
•
Filing: 1967-05-25
•
Granted: 1970-04-14
•
Expires: 1987-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 John A Maurer
  • 👤 Victor R Ferguson
  • 👤 Kenneth R Lappin
  • 👤 Henry C Ebben Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:48
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/0217

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US950738A Cited
US2757668A Cited
US3254646A Cited
US3393676A Cited
US3375823A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-04-13 1973-10-13 1974-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-04-13 1977-10-13 1978-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-04-13 1981-10-13 1982-04-14 $7700.00 Window Closed / Lapsed

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