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US2801233A Expired / Lapsed US ⏱️ 0.0 years remaining

Ethylene-vinyl cinnamate copolymers

Assignee: Eastman Kodak Co
•
Filing: 1955-07-29
•
Granted: 1957-07-30
•
Expires: 1975-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Louis M Minsk
  • 👤 Cornelius C Unruh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:48
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; C; C08; C08F; C08F8/00; C08F8/14; C08F2810/00; C08F2810/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 30 words
A RESINOUS COPOLYMER CONTAINING FROM ABOUT 2 TO 50 MOL PERCENT OF RECURRING ETHYLENE UNITS AND FROM ABOUT 98 TO 50 MOLS PERCENT OF RECURRING UNITS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim 30 words
A RESINOUS COPOLYMER CONTAINING FROM ABOUT 2 TO 50 MOL PERCENT OF RECURRING ETHYLENE UNITS AND FROM ABOUT 98 TO 50 MOLS PERCENT OF RECURRING UNITS HAVING THE GENERAL FORMULA

References Cited (Backward Citations)

US2200429A Cited
US2403464A Cited
US2467774A Cited
US2670286A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-29 1961-01-28 1961-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-29 1965-01-28 1965-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-29 1969-01-28 1969-07-30 $7700.00 Window Closed / Lapsed

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