← Back to Patent Explorer
US3315658A Expired / Lapsed US ⏱️ 0.0 years remaining

Body warmers

Assignee: Panasonic Holdings Corp
•
Filing: 1965-12-27
•
Granted: 1967-04-25
•
Expires: 1985-12-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kamitani Jiichi
  • 👤 Kawauchi Kanau

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:53
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F7/03; A41; A41D; A41D13/00; A41D13/002; A41D13/005; A41D13/0051; A61F2007/0001

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 309 words
A BODY WARMER OF THE TYPE IN WHICH LIQUID FUEL IS BURNED WITH THE AID OF A PLATINUM CATALYST COMPRISING: A RECTANGULAR CASING GENERALLY ARCUATE IN TRANSVERSE CROSS SECTION AND LARGELY OPEN AT THE TOP WITH AN ELONGATED COMBUSTER-ELEMENT EXCHANGE OPENING FORMED IN THE BOTTOM WALL OF SAID CASING AND EXTENDING MEDIALLY THEREOF; A CLOSURE MEMBER DETACHABLY SECURED TO SAID CASING TO CLOSE THE TOP OPENING THEREOF; A FLATTENED CYLINDRICAL OIL TANK MOUNTED IN SAID CASING AND HAVING A TUNNEL-LIKE THROUGH HOLE IN A CENTRAL POSITION OPPOSITE TO SAID COMBUSTER-ELEMENT EXCHANGE APERTURE WITH A GASIFIED-FUEL FEED PORT FORMED IN ONE OF THE WALLS DEFINING SAID CENTRAL THROUGH HOLE IN SAID OIL TANK; A COMBUSTER UNIT INCLUDING A COMBUSTER-ELEMENT HOLDER COVERINGLY CONNECTED WITH SAID GASIFIED-FUEL FEED PORT AND A PLATINUM-ASBESTOS ELEMENT HELD IN SAID HOLDER; AN IGNITION WICK ARRANGED ADJACENT TO SAID GASIFIED-FUEL FEED PORT IN SAID ONE OF THE WALLS DEFINING SAID TUNNEL-LIKE THROUGH HOLE; AN IGNITION UNIT INCLUDING A HOOD OF SHEET METAL OPENING TOWARD THE BOTTOM WALL OF SAID CASING AND TOWARD SAID COMBUSTER-ELEMENT HOLDER AND CARRYING AN IGNITION HEATER; A CLOSURE PLATE DETACHABLY SECURED TO SAID COMBUSTER-ELEMENT EXCHANGE OPENING WITH AN AUXILIARY COVER PLATE PIVOTALLY MOUNTED THEREON AND AN EXTINGUISHER PLATE MOUNTED ON SAID AUXILIARY COVER PLATE FOR MOVEMENT INTO AND OUT OF A POSITION OPPOSITE TO THE SIDE OF SAID HOOD FACING TOWARD THE CASING BOTTOM; AN IGNITION SWITCH ASSEMBLY MOUNTED ON THE BOTTOM WALL OF SAID CASING INSIDE THEREOF AND OPERABLE TO OPEN AND CLOSE AN IGNITION CIRCUIT INCLUDING SAID IGNITION HEATER; AND FUEL FEED MEANS INCLUDING A FUEL-REPLENISHING PORT FORMED IN THE BOTTOM WALL OF SAID CASING, A NORMALLY CLOSED FUEL INLET PORT FORMED IN THE BOTTOM WALL OF SAID OIL TANK IN CONJUNCTION WITH SAID FUEL-REPLENISHING PORT, AND MEANS FOR CONDUCTING FUEL FROM SAID FUEL INLET PORT TO SAID GASIFIED-FUEL FEED PORT.
Claim 2
Dependent Claim 309 words
A BODY WARMER OF THE TYPE IN WHICH LIQUID FUEL IS BURNED WITH THE AID OF A PLATINUM CATALYST COMPRISING: A RECTANGULAR CASING GENERALLY ARCUATE IN TRANSVERSE CROSS SECTION AND LARGELY OPEN AT THE TOP WITH AN ELONGATED COMBUSTER-ELEMENT EXCHANGE OPENING FORMED IN THE BOTTOM WALL OF SAID CASING AND EXTENDING MEDIALLY THEREOF; A CLOSURE MEMBER DETACHABLY SECURED TO SAID CASING TO CLOSE THE TOP OPENING THEREOF; A FLATTENED CYLINDRICAL OIL TANK MOUNTED IN SAID CASING AND HAVING A TUNNEL-LIKE THROUGH HOLE IN A CENTRAL POSITION OPPOSITE TO SAID COMBUSTER-ELEMENT EXCHANGE APERTURE WITH A GASIFIED-FUEL FEED PORT FORMED IN ONE OF THE WALLS DEFINING SAID CENTRAL THROUGH HOLE IN SAID OIL TANK; A COMBUSTER UNIT INCLUDING A COMBUSTER-ELEMENT HOLDER COVERINGLY CONNECTED WITH SAID GASIFIED-FUEL FEED PORT AND A PLATINUM-ASBESTOS ELEMENT HELD IN SAID HOLDER; AN IGNITION WICK ARRANGED ADJACENT TO SAID GASIFIED-FUEL FEED PORT IN SAID ONE OF THE WALLS DEFINING SAID TUNNEL-LIKE THROUGH HOLE; AN IGNITION UNIT INCLUDING A HOOD OF SHEET METAL OPENING TOWARD THE BOTTOM WALL OF SAID CASING AND TOWARD SAID COMBUSTER-ELEMENT HOLDER AND CARRYING AN IGNITION HEATER; A CLOSURE PLATE DETACHABLY SECURED TO SAID COMBUSTER-ELEMENT EXCHANGE OPENING WITH AN AUXILIARY COVER PLATE PIVOTALLY MOUNTED THEREON AND AN EXTINGUISHER PLATE MOUNTED ON SAID AUXILIARY COVER PLATE FOR MOVEMENT INTO AND OUT OF A POSITION OPPOSITE TO THE SIDE OF SAID HOOD FACING TOWARD THE CASING BOTTOM; AN IGNITION SWITCH ASSEMBLY MOUNTED ON THE BOTTOM WALL OF SAID CASING INSIDE THEREOF AND OPERABLE TO OPEN AND CLOSE AN IGNITION CIRCUIT INCLUDING SAID IGNITION HEATER; AND FUEL FEED MEANS INCLUDING A FUEL-REPLENISHING PORT FORMED IN THE BOTTOM WALL OF SAID CASING, A NORMALLY CLOSED FUEL INLET PORT FORMED IN THE BOTTOM WALL OF SAID OIL TANK IN CONJUNCTION WITH SAID FUEL-REPLENISHING PORT, AND MEANS FOR CONDUCTING FUEL FROM SAID FUEL INLET PORT TO SAID GASIFIED-FUEL FEED PORT.

References Cited (Backward Citations)

US2942601A Cited
US3110301A Cited
US3046975A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-24 1970-10-24 1971-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-24 1974-10-24 1975-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-24 1978-10-24 1979-04-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag