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US3676273A Expired / Lapsed US ⏱️ 0.0 years remaining

Films containing superimposed curved configurations of magnetically orientated pigment

Assignee: Whittaker Corp
•
Filing: 1970-07-30
•
Granted: 1972-07-11
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Expires: 1990-07-30
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Abstract

Abstract A PIGMENTED FILM COMPRISING A FILM OF FILM-FORMING MATERIAL AND CONTAINED IN THE FILM, MAGNETICALLY ORIENTABLE PIGMENT THAT IS ORIENTATED IN SUPERIMPOSED CURVED CONFIGURATIONS.

Inventors

  • 👤 Irving Stuart Graves

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:14
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/20; B05D3/207; B05D5/00; B05D5/06; B05D5/061; B05D5/065; B05D7/00; B05D7/50; B05D7/52; B05D7/53; B05D7/536; B05D7/54; B05D7/546; B44; B44C; B44C1/00; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/25; Y10T428/256

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-07-11 1976-01-10 1976-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-11 1980-01-10 1980-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-11 1984-01-10 1984-07-11 $7700.00 Window Closed / Lapsed

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