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US3471422A Expired / Lapsed US ⏱️ 0.0 years remaining

Time-temperature responsive color changing typographic printing ink composition

Assignee: Tempil Corp
•
Filing: 1966-06-17
•
Granted: 1969-10-07
•
Expires: 1986-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Saul Edlein
  • 👤 David R Kasanof
  • 👤 Elias Kimmel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:43
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/282; B41M5/283; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041; C09D11/02; C09D11/10; C09D11/102; C09D11/104; C09D11/105; Y; Y10; Y10S; Y10S252/00; Y10S252/962

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2049507A Cited
US2118144A Cited
US2625494A Cited
US2943475A Cited
US3098751A Cited
US3266920A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-06 1973-04-07 1973-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-06 1977-04-07 1977-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-06 1981-04-07 1981-10-07 $7700.00 Window Closed / Lapsed

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