US4139845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashlight burglar alarm apparatus
Assignee: Individual
•
Filing: 1977-05-02
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Granted: 1979-02-13
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Expires: 1997-05-02
Abstract
Abstract A portable flashlight burglar alarm apparatus has a flashlight with an annunciator attached thereto and powered by the flashlight batteries. The flashlight may be placed adjacent a door and the burglar alarm circuit enabled so that opening the door knocks the flashlight over to actuate the annunciator.
Inventors
- 👤 Alfred F. Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:15
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08; G08B7/00; G08B7/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
97 words
A portable flashlight burglar alarm apparatus comprising in combination: a flashlight having a casing, battery means located in said casing, a switch, and a lamp operatively connected to said battery means through said switch; an annunciator attached to said casing and coupled to said battery means; an alarm switch coupled between said battery means and said annunciator for actuating said annunciator responsive to said alarm switch being actuated, and an annular resilient bumper attached to said flashlight casing for providing a frictional engagement with an entry door, whereby a flashlight can be used as a burglar alarm.
Claim 2
Dependent Claim
97 words
A portable flashlight burglar alarm apparatus comprising in combination: a flashlight having a casing, battery means located in said casing, a switch, and a lamp operatively connected to said battery means through said switch; an annunciator attached to said casing and coupled to said battery means; an alarm switch coupled between said battery means and said annunciator for actuating said annunciator responsive to said alarm switch being actuated, and an annular resilient bumper attached to said flashlight casing for providing a frictional engagement with an entry door, whereby a flashlight can be used as a burglar alarm.
Claim 3
Dependent Claim
50 words
The apparatus in accordance with claim 1, in which said flashlight switch is a three-way switch for disabling said flashlight and annunciator in one position, actuating said flashlight and disabling said annunciator in a second position, and enabling said annunciator alarm switch and disabling said flashlight in a third position.
Claim 4
Dependent Claim
53 words
The apparatus in accordance with claim 2, in which said alarm switch is a spring-loaded sliding switch member, which may be supported in said casing when said casing is positioned in an upright position, and which is allowed to slide for actuating said annunciator when said casing is knocked from its upright position.
Claim 5
Dependent Claim
46 words
The apparatus in accordance with claim 3, in which said spring-loaded, sliding alarm switch has a notch therein for engaging a conductive electrical contact operatively coupled to the three-way switch for supporting said sliding switch member against its spring bias for disabling said annunciator alarm switch.
Claim 6
Dependent Claim
28 words
The apparatus in accordance with claim 4, in which said flashlight casing is a cylindrical flashlight casing having a detachable end portion containing the annunciator and alarm switch.
Claim 7
Dependent Claim
42 words
The apparatus in accordance with claim 5, in which the electrical contact operatively coupled to said switch and positioned in a notch in said sliding alarm switch retracts said sliding alarm switch to disable said alarm switch when said flashlgiht is actuated.
Claim 8
Dependent Claim
45 words
The apparatus in accordance with claim 6, in which an electrical contact is connected to a lamp support for said lamp for providing a positive contact for a conductor connected to said three-way switch when said three-way switch is shifted to its annunciator enabling position.
Claim 9
Dependent Claim
30 words
The apparatus in accordance with claim 7, in which said casing detachable end portion has openings therein to produce an audible alarm from said annunciator when said annunciator is actuated.
Claim 10
Dependent Claim
44 words
The apparatus in accordance with claim 8, in which said three way switch has a second electrical contact thereon for contacting a negative contact of said battery means for completing a circuit to said lamp when said three-way switch is in its lamp-on position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |