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US3570139A Expired / Lapsed US ⏱️ 0.0 years remaining

Teaching apparatus

Assignee: Individual
•
Filing: 1969-08-18
•
Granted: 1971-03-16
•
Expires: 1989-08-18
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Abstract

Abstract TEACHING APPARATUS FOR ESTABLISHING AN ASSOCIATION BETWEEN A SELECTED CHEMICAL SENSE STIMULUS AND AN IDENTIFICATION THEREOF. A STIMULUS PRODUCER IS PROVIDED TO PRODUCE A STIMULUS OF A CHEMICAL SENSE UPON ACTUATION, PREFERABLY IN THE FORM OF A SHEET WITH A COATING INCLUDING RUPTURABLE CAPSULES CONTAINING A SUBSTANCE WHICH PRODUCES THE STIMULUS. A DISPLAY IS ALSO PROVIDED WHICH INCLUDES AN INDICATION OF A SELECTED LOCATION FOR THE STIMULUS PRODUCER AND A STIMULUS IDENTIFICATION ADJACENT TO THE SELECTED LOCATION FOR PROVIDING AN IDENTIFICATION OF THE STIMULUS. POSITIONING OF THE STIMULUS PRODUCER AT THE LOCATION AND ACTUATION OF THE STIMULUS PRODUCER PRODUCES THE STIMULUS IN PHYSICAL PROXIMITY TO THE IDENTIFICATION MEANS SO THAT AN ASSOCIATION BETWEEN THE STIMULUS AND THE IDENTIFICATION IS ESTABLISHED.

Inventors

  • 👤 Janice S Ladd
  • 👤 Marillyn H Emerson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:44
CPC Classifications
G; G09; G09B; G09B1/00; A; A63; A63F; A63F2250/00; A63F2250/02; A63F2250/021; Y; Y10; Y10S; Y10S428/00; Y10S428/905

Claims Analysis

Total Claims: 0
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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) 1974-03-15 1974-09-14 1975-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-15 1978-09-14 1979-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-15 1982-09-14 1983-03-16 $7700.00 Window Closed / Lapsed

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