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US4257342A Expired / Lapsed US ⏱️ 0.0 years remaining

Fireplace damper position indicator

Assignee: Individual
•
Filing: 1978-12-14
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Granted: 1981-03-24
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Expires: 1998-12-14
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Abstract

Abstract A fireplace damper position indicator for indicating whether the damper to the flue is open or closed to prevent building a fire with a closed damper or leaving the damper open allowing air to escape from the room. The device briefly is a magnetic holder to attach to the fireplace lintel and a hanger pivotally secured to the holder to connect to a sign. The sign has indicia indicating "open" on one side and "closed" on the other side such that when the fireplace damper is open the sign is turned to read "open" indicating the damper is open.

Inventors

  • 👤 Donald R. Ditto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:41
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/191; G; G09; G09F; G09F7/00; G09F7/18

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 119 words
In a fireplace having a damper above the fireplace opening and a lintel for supporting the opening, a fireplace damper position indicator comprising: a sign with a U-shaped cross section having a first side acting as one leg of the U-shaped cross section, a second side acting as the other leg, and a connector member joining the first and second sides, said first side having indicia embossed thereon for indicating open and said second side having indicia embossed thereon for indicating closed; a wire-like hanger pivotally secured to said connector member on said sign; and magnetic connector means for pivotally securing said wire-like hanger to and downwardly of said lintel and that positions said sign in said fireplace opening.
Claim 2
Dependent Claim 119 words
In a fireplace having a damper above the fireplace opening and a lintel for supporting the opening, a fireplace damper position indicator comprising: a sign with a U-shaped cross section having a first side acting as one leg of the U-shaped cross section, a second side acting as the other leg, and a connector member joining the first and second sides, said first side having indicia embossed thereon for indicating open and said second side having indicia embossed thereon for indicating closed; a wire-like hanger pivotally secured to said connector member on said sign; and magnetic connector means for pivotally securing said wire-like hanger to and downwardly of said lintel and that positions said sign in said fireplace opening.
Claim 3
Dependent Claim 33 words
The combination called for in claim 1 wherein said magnetic connector means comprises: a disk magnet having a loop secured centrally thereon to form a passage through which said wire-like hanger is secured.
Claim 4
Dependent Claim 59 words
The combination called for in claim 1 wherein said wire-like hanger comprises: a triangular shaped hanger having a pair of ends which are bent to form the base of the triangular shaped hanger and to extend in opposed directions parallel to each other, said ends adapted to be spread open to allow positioning of the sign on the hanger.
Claim 5
Dependent Claim 28 words
The combination called for in claim 1 wherein said sign comprises: oval shaped sides having a rim embossed therein to add rigidity to the sides of said sign.
Claim 6
Dependent Claim 179 words
A fireplace position damper indicator comprising: a sign with a U-shaped cross section having first oval side acting as one leg of the U-shaped cross section and second oval side acting as the other leg and a connector member joining the sides; a triangularly shaped hanger having a first narrow end thereof and a second wider end formed by two opposed ends of the wire-like hanger bent to be positioned in parallel relationship and adapted to be spread apart to allow insertion of the sign along one side of the hanger and which spring back to a central position wherein the connector member of the sign rest over the two opposed parallel ends of the hanger; and a magnetic connector having a loop formed therein and having a central passage formed therethrough adapted to receive the narrow end of said hanger so as to pivotally secure said hanger to said magnetic connector, said magnetic connector further being adapted to secure said sign downwardly of the magnetic connector within the opening of a fireplace such that it is pivotally secured.
Claim 7
Dependent Claim 179 words
A fireplace position damper indicator comprising: a sign with a U-shaped cross section having first oval side acting as one leg of the U-shaped cross section and second oval side acting as the other leg and a connector member joining the sides; a triangularly shaped hanger having a first narrow end thereof and a second wider end formed by two opposed ends of the wire-like hanger bent to be positioned in parallel relationship and adapted to be spread apart to allow insertion of the sign along one side of the hanger and which spring back to a central position wherein the connector member of the sign rest over the two opposed parallel ends of the hanger; and a magnetic connector having a loop formed therein and having a central passage formed therethrough adapted to receive the narrow end of said hanger so as to pivotally secure said hanger to said magnetic connector, said magnetic connector further being adapted to secure said sign downwardly of the magnetic connector within the opening of a fireplace such that it is pivotally secured.
Claim 8
Dependent Claim 31 words
The combination called for in claim 5 wherein said sign has indicia embossed on said first side to indicate open and has indicia embossed on said second side to indicate closed.

References Cited (Backward Citations)

US228988A Cited
US3289338A Cited
US874998A Cited
US1898379A Cited
US3708897A Cited
US3984931A Cited
US4009532A Cited
US4015587A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-03-23 1984-09-22 1985-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-03-23 1988-09-22 1989-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-03-23 1992-09-22 1993-03-24 $7700.00 Window Closed / Lapsed

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