US3300770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Robbery alarm system
Assignee: Individual
•
Filing: 1964-10-12
•
Granted: 1967-01-24
•
Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Brousseau Lucien
- 👤 Brousseau Jean-Luc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:22
CPC Classifications
G; G07; G07G; G07G1/00; G07G1/0018; G07G1/0027; G07G3/00; G07G3/003; G08; G08B; G08B13/00; G08B13/02; G08B13/14; G08B13/1481; G08B13/18; G08B13/189
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A ROBBERY ALARM SYSTEM, COMPRISING: (A) A CASH DRAWER FORMED WITH AT LEAST ONE PAPER MONEY-RECEIVING COMPARTMENT; (B) AN ELECTRICAL ALARM CONTROL CIRCUIT MOUNTED BENEATH THE BOTTOM OF ONE OF SAID COMPARTMENTS AND ADAPTED, UPON ENERGIZATION THEREOF, TO CAUSE OPERATION OF AN ALARM DEVICE; (C) A LIGHT SENSITIVE RESISTANCE MOUNTED TO EXTEND THROUGH SAID BOTTOM TO FACE UPWARDLY AND CONNECTED IN SERIES IN SAID ALARM CONTROL CIRCUIT; SAID RESISTANCE BEING ADAPTED UPON EXPOSITION TO AMBIENT LIGHT WHEN THE DRAWER IS OPENED TO ALLOW CURRENT THERETHROUGH TO ENERGIZE SAID CIRCUIT AND UPON BEING BLINDED TO PREVENT PASSAGE OF CURRENT AND THUS OPEN AND DEENERGIZE SAID ALARM CONTROL CIRCUIT;
Claim 2
Dependent Claim
107 words
A ROBBERY ALARM SYSTEM, COMPRISING: (A) A CASH DRAWER FORMED WITH AT LEAST ONE PAPER MONEY-RECEIVING COMPARTMENT; (B) AN ELECTRICAL ALARM CONTROL CIRCUIT MOUNTED BENEATH THE BOTTOM OF ONE OF SAID COMPARTMENTS AND ADAPTED, UPON ENERGIZATION THEREOF, TO CAUSE OPERATION OF AN ALARM DEVICE; (C) A LIGHT SENSITIVE RESISTANCE MOUNTED TO EXTEND THROUGH SAID BOTTOM TO FACE UPWARDLY AND CONNECTED IN SERIES IN SAID ALARM CONTROL CIRCUIT; SAID RESISTANCE BEING ADAPTED UPON EXPOSITION TO AMBIENT LIGHT WHEN THE DRAWER IS OPENED TO ALLOW CURRENT THERETHROUGH TO ENERGIZE SAID CIRCUIT AND UPON BEING BLINDED TO PREVENT PASSAGE OF CURRENT AND THUS OPEN AND DEENERGIZE SAID ALARM CONTROL CIRCUIT;
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |