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US3411501A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermoplastic mouthpiece and method of making same

Assignee: Individual
•
Filing: 1966-03-02
•
Granted: 1968-11-19
•
Expires: 1986-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Greenberg Samuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:29
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/085; A63B2071/088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3124129A Cited
US2521039A Cited
US3060935A Cited
US3178820A Cited
US3211143A Cited
US3314423A Cited
US3224441A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-19 1972-05-20 1972-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-19 1976-05-20 1976-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-19 1980-05-20 1980-11-19 $7700.00 Window Closed / Lapsed

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