Patent US4600314A successfully refreshed from Google Patents.
US4600314A
Expired / Lapsed
US
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Smoke detector cutoff timer
Assignee: Individual
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Filing: 1984-10-26
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Granted: 1986-07-15
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Expires: 2004-10-26
Abstract
Abstract A mountable remote cutoff timer for a smoke detector that is powered by a battery and includes a timer that is operatively connected to the battery, a light emitting device for indicating improper connection of the battery, and VELCRO® for attaching the mountable cutoff timer to the wall.
Inventors
- 👤 George E. Theriault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:06
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
101 words
A smoke detector system having a smoke detector and a mountable remote cutoff timer for said smoke detector, that controls power from a battery, said timer comprising: a unit separate and remotely disposed from, but with electrical connected means to, the smoke detector; a timer contained within said unit; battery coupling means within said unit for receiving the battery which can remotely energize the smoke detector, said timer capable of disengaging the battery from energization of the smoker detector for a selected period of time; and indicator means on said unit for indicating improper connection of the battery to the unit.
Claim 2
Dependent Claim
101 words
A smoke detector system having a smoke detector and a mountable remote cutoff timer for said smoke detector, that controls power from a battery, said timer comprising: a unit separate and remotely disposed from, but with electrical connected means to, the smoke detector; a timer contained within said unit; battery coupling means within said unit for receiving the battery which can remotely energize the smoke detector, said timer capable of disengaging the battery from energization of the smoker detector for a selected period of time; and indicator means on said unit for indicating improper connection of the battery to the unit.
Claim 3
Dependent Claim
23 words
The remote timer as defined in claim 1, wherein said indicator means includes a polarity sensitive light emitting device mounted to said unit.
Claim 4
Dependent Claim
19 words
The remote timer as defined in claim 1; further comprising means for mounting the remote timer to a wall.
Claim 5
Dependent Claim
13 words
The remote timer as defined in claim 3, wherein said means includes VELCRO®.
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) | 1989-07-14 | 1990-01-13 | 1990-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-14 | 1994-01-13 | 1994-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-14 | 1998-01-13 | 1998-07-15 | $7700.00 | Window Closed / Lapsed |