Patent US3171404A successfully refreshed from Google Patents.
US3171404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating device for ice fishing
Assignee: Individual
•
Filing: 1963-05-14
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Granted: 1965-03-02
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Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 Jack W Skog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:58
CPC Classifications
F; F24; F24B; F24B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A HEATING DEVICE FOR ICE FISHING COMPRISING AN OPEN ENDED TUBULAR MEMBER ADAPTED TO EXTEND UPWARDLY ABOUT THE SIDES OF FISHING HOLE, MEANS FOR SUPPORTING SAID TUBULAR MEMBER ON THE ICE SURROUNDING SAID HOLE, AN OUTER CASING HAVING A PORTION PROJECTING AT ONE SIDE OF SAID TUBULAR MEMBER TO PROVIDE A HEATING CHAMBER, SAID CASING ENCOMPASSING AND BEING SPACED OUTWARDLY FROM SAID TUBULAR MEMBER AND INCLUDING A TOP CLOSURE FOR THE SPACE BETWEEN SAID TUBULAR MEMBER AND CASING, A HEATING UNIT CONTAINED IN SAID CHAMBER, SAID HEATING CHAMBER HAVING A WALL OPPOSITE SAID TUBULAR MEMBER FORMED WITH AN AIR INTAKE OPENING IN THE UPPER PORTION THEREOF, SAID TUBULAR MEMBER BEING FORMED WITH AIR PASSAGES DISPOSED AT ELEVATIONS BELOW SAID AIR INTAKE OPENING, AND AIR DEFLECTOR MEANS DISPOSED TO DIRECT AIR RECEIVED FROM SAID INTAKE OPENING THROUGH SAID HEATING CHAMBER AND THENCE THROUGH SAID PASSAGES IN SAID TUBULAR MEMBER TO PROVIDE WARM AIR WITHIN SAID MEMBER.
Claim 2
Dependent Claim
155 words
A HEATING DEVICE FOR ICE FISHING COMPRISING AN OPEN ENDED TUBULAR MEMBER ADAPTED TO EXTEND UPWARDLY ABOUT THE SIDES OF FISHING HOLE, MEANS FOR SUPPORTING SAID TUBULAR MEMBER ON THE ICE SURROUNDING SAID HOLE, AN OUTER CASING HAVING A PORTION PROJECTING AT ONE SIDE OF SAID TUBULAR MEMBER TO PROVIDE A HEATING CHAMBER, SAID CASING ENCOMPASSING AND BEING SPACED OUTWARDLY FROM SAID TUBULAR MEMBER AND INCLUDING A TOP CLOSURE FOR THE SPACE BETWEEN SAID TUBULAR MEMBER AND CASING, A HEATING UNIT CONTAINED IN SAID CHAMBER, SAID HEATING CHAMBER HAVING A WALL OPPOSITE SAID TUBULAR MEMBER FORMED WITH AN AIR INTAKE OPENING IN THE UPPER PORTION THEREOF, SAID TUBULAR MEMBER BEING FORMED WITH AIR PASSAGES DISPOSED AT ELEVATIONS BELOW SAID AIR INTAKE OPENING, AND AIR DEFLECTOR MEANS DISPOSED TO DIRECT AIR RECEIVED FROM SAID INTAKE OPENING THROUGH SAID HEATING CHAMBER AND THENCE THROUGH SAID PASSAGES IN SAID TUBULAR MEMBER TO PROVIDE WARM AIR WITHIN SAID MEMBER.
References Cited (Backward Citations)
US838936A
Cited
US2483787A
Cited
US2677363A
Cited
US2747569A
Cited
US2883784A
Cited
US3025852A
Cited
US3105487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |