US3686660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Showcase alarm system
Assignee: MASSOVER BROS
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Filing: 1970-06-11
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Granted: 1972-08-22
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Expires: 1990-06-11
Abstract
Abstract A door-alarm system for a merchandise showcase includes a floormat switch positioned behind the showcase in the area occupied by sales personnel, automatically disabling the system to permit authorized opening of the showcase and also providing an automatic alarm signal in the event the salesperson commences to leave with the door open. There are described various wiring arrangements for a multiple-door system to suit particular conditions of use.
Inventors
- 👤 Hyman A Massover
- 👤 David I Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:49
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/10; G08B13/08
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
95 words
An alarm system for a merchandise showcase of the type having a sales-counter top and an access door at the salesperson-station portion thereof comprising: a. alarm means having a portion adapted to be coupled to the door of the showcase to produce an audible signal in response to opening of the door; b. sensing means adapted to be placed at the salesperson-station to sense the presence of a salesperson thereat; and c. disabling means responsive to the sensing means and coupled to the alarm means to disable the audible signal when a salesperson is present.
Claim 2
Dependent Claim
95 words
An alarm system for a merchandise showcase of the type having a sales-counter top and an access door at the salesperson-station portion thereof comprising: a. alarm means having a portion adapted to be coupled to the door of the showcase to produce an audible signal in response to opening of the door; b. sensing means adapted to be placed at the salesperson-station to sense the presence of a salesperson thereat; and c. disabling means responsive to the sensing means and coupled to the alarm means to disable the audible signal when a salesperson is present.
Claim 3
Dependent Claim
15 words
The alarm system of claim 1 in which the sensing means comprises a floor-mat switch.
Claim 4
Dependent Claim
57 words
The alarm system of claim 1 having: d. the alarm means including a door-responsive switch opened and closed by opening and closing, respectively, of the door, and e. the sensing means including a presence-sensing switch opened and closed by departure and arrival, respectively, of a salesperson, so that disconnection of a switch does not defeat the alarm.
Claim 5
Dependent Claim
39 words
The alarm system of claim 3 having an enclosed housing containing means for producing the audible signal and further containing means externally coupled to the switches for actuating the signal-producing means in response to the opening of both switches.
Claim 6
Dependent Claim
42 words
The alarm system of claim 4 wherein the actuating means within the housing includes a relay having its coil externally connected to the switches and having normally-closed contacts connected to the signal-producing means, the signal-producing means including a battery within the housing.
Claim 7
Dependent Claim
15 words
The alarm system of claim 3 having a plurality of door-responsive switches and presence-sensing switches.
Claim 8
Dependent Claim
85 words
In combination with a merchandise showcase of the type having a sales-counter top and an access door at the salesperson-station portion thereof, an alarm system comprising: a. alarm means having a portion coupled to the door of the showcase to produce an audible signal in response to opening of the door; b. sensing means at the salesperson-station to sense the presence of a saleSperson thereat; and c. disabling means responsive to the sensing means and coupled to the alarm means to disable the audible signal.
Claim 9
Dependent Claim
85 words
In combination with a merchandise showcase of the type having a sales-counter top and an access door at the salesperson-station portion thereof, an alarm system comprising: a. alarm means having a portion coupled to the door of the showcase to produce an audible signal in response to opening of the door; b. sensing means at the salesperson-station to sense the presence of a saleSperson thereat; and c. disabling means responsive to the sensing means and coupled to the alarm means to disable the audible signal.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |