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US3405084A Expired / Lapsed US ⏱️ 0.0 years remaining

Neutralized terpolymeric resin of vinyl pyrrolidone, alkyl acrylate or methacrylate,and unsaturated monocarboxylic acid

Assignee: BARR Co G
•
Filing: 1965-06-30
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Granted: 1968-10-08
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Expires: 1985-06-30
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Abstract

No abstract record available.

Inventors

  • 👤 Bohac Stanley
  • 👤 Morris J Root

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:32
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C09; C09K; C09K3/00; C09K3/30; Y; Y10; Y10S; Y10S424/00; Y10S424/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2871161A Cited
GB836831A Cited
US3044873A Cited
US3222329A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-08 1972-04-08 1972-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-08 1976-04-08 1976-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-08 1980-04-08 1980-10-08 $7700.00 Window Closed / Lapsed

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