Patent US3106200A successfully refreshed from Google Patents.
US3106200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning air heater
Assignee: Air Heaters Inc
•
Filing: 1961-10-12
•
Granted: 1963-10-08
•
Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Muckelrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:58
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/08; F24H3/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN AIR HEATER COMPRISING AN ELONGATED HORIZONTALLY DISPOSED HOLLOW HOUSING INCLUDING FRONT AND REAR WALLS INTERCONNECTED BY MEANS OF OPPOSITE SIDE WALLS, A TOP WALL AND A BOTTOM WALL, A PAIR OF VERTICALLY SPACED AND LONGITUDINALLY EXTENDING DIVIDER WALLS CONSTRUCTED OF HEAT CONDUCTIVE MATERIAL INTERCONNECTED BETWEEN SAID FRONT, REAR AND OPPOSITE SIDE WALLS AND SPACED VERTICALLY FROM SAID TOP AND BOTTOM WALLS DEFINING FIRST, SECOND AND THIRD VERTICALLY STACKED AND IMMEDIATELY ADJACENT COMPARTMENTS EXTENDING LONGITUDINALLY OF SAID HOUSING BETWEEN SAID BOTTOM WALL AND THE LOWER DIVIDER WALL, SAID UPPER AND LOWER DIVIDER WALLS, AND SAID UPPER DIVIDER WALL AND TOP WALL RESPECTIVELY, SAID FIRST AND THIRD COMPARTMENTS DEFINING THE PARALLEL LEGS OF A GENERALLY U-SHAPED COMBUSTION PRODUCTS PASSAGE MEANS INCLUDING A HEAT EXCHANGE AND PASSAGE DEFINING MEANS EXTENDING TRANSVERSELY THROUGH THE FORWARD END OF SAID SECOND COMPARTMENT COMMUNICATING THE CORRESPONDING ENDS OF SAID LEGS OF SAID COMBUSTION PRODUCTS PASSAGE MEANS, SECOND COMPARTMENT AND
Claim 2
Dependent Claim
153 words
AN AIR HEATER COMPRISING AN ELONGATED HORIZONTALLY DISPOSED HOLLOW HOUSING INCLUDING FRONT AND REAR WALLS INTERCONNECTED BY MEANS OF OPPOSITE SIDE WALLS, A TOP WALL AND A BOTTOM WALL, A PAIR OF VERTICALLY SPACED AND LONGITUDINALLY EXTENDING DIVIDER WALLS CONSTRUCTED OF HEAT CONDUCTIVE MATERIAL INTERCONNECTED BETWEEN SAID FRONT, REAR AND OPPOSITE SIDE WALLS AND SPACED VERTICALLY FROM SAID TOP AND BOTTOM WALLS DEFINING FIRST, SECOND AND THIRD VERTICALLY STACKED AND IMMEDIATELY ADJACENT COMPARTMENTS EXTENDING LONGITUDINALLY OF SAID HOUSING BETWEEN SAID BOTTOM WALL AND THE LOWER DIVIDER WALL, SAID UPPER AND LOWER DIVIDER WALLS, AND SAID UPPER DIVIDER WALL AND TOP WALL RESPECTIVELY, SAID FIRST AND THIRD COMPARTMENTS DEFINING THE PARALLEL LEGS OF A GENERALLY U-SHAPED COMBUSTION PRODUCTS PASSAGE MEANS INCLUDING A HEAT EXCHANGE AND PASSAGE DEFINING MEANS EXTENDING TRANSVERSELY THROUGH THE FORWARD END OF SAID SECOND COMPARTMENT COMMUNICATING THE CORRESPONDING ENDS OF SAID LEGS OF SAID COMBUSTION PRODUCTS PASSAGE MEANS, SECOND COMPARTMENT AND
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |