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US3564525A Expired / Lapsed US ⏱️ 0.0 years remaining

Robbery protection system and device for temporarily disabling a robber and visibly marking his location

Assignee: Individual
•
Filing: 1967-09-19
•
Granted: 1971-02-16
•
Expires: 1987-09-19
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Abstract

Abstract THE PRESENT INVENTION RELATES TO A ROBBERY PROTECTION SYSTEM AND DEVICE FOR TEMPORARILY DISABLING AND VISIBLY MARKING THE LOCATION OF A ROBBER AFTER HIS DEPARTURE FROM THE ROBBED PREMISES AND INCLUDES A TRANSMITTER FOR EMITING AN ELECTRIC FIELD IN THE PROXIMITY OF THE ESCAPE PATH OF THE ROBBER, AND A DUMMY PACKET OF CURRENCY HAVING CONCEALED THEREIN A DISABLING AND MARKING CHARGE AS WELL AS MEANS FOR ACTIVATING SAID CHARGE UPON DETECTION OF SAID ELECTRIC FIELD.

Inventors

  • 👤 Harold J Robeson
  • 👤 Jerry L Birchfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:02
CPC Classifications
C; C08; C08B; C08B15/00; G; G08; G08B; G08B13/00; G08B13/22; G08B13/24; G08B15/00

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) 1974-02-15 1974-08-17 1975-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-15 1978-08-17 1979-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-15 1982-08-17 1983-02-16 $7700.00 Window Closed / Lapsed

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