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US3439633A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and process for manufacturing spherical cores for an orally administrable substance

Assignee: Individual
•
Filing: 1967-04-17
•
Granted: 1969-04-22
•
Expires: 1987-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 Zbigniew Pawlak
  • 👤 Kazimierz Michalski
  • 👤 Jerzy Surowiecki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:07
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/06; A61K; A61K9/00; A61K9/14; A61K9/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2488353A Cited
US2572998A Cited
US2786772A Cited
US3059280A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-21 1972-10-21 1973-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-21 1976-10-21 1977-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-21 1980-10-21 1981-04-22 $7700.00 Window Closed / Lapsed

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