US3111122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseboard-type gas heater
Assignee: Lear Siegler Inc
•
Filing: 1961-11-20
•
Granted: 1963-11-19
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Willard O Ware
- 👤 Robert C Ware
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:58
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/002; F24C3/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A BASEBOARD-TYPE SPACE HEATER WHICH COMPRISES A LOW, HORIZONTALLY ELONGATED BOX HAVING THE WALLS THEREOF MADE OF SHEET METAL, A GAS BURNER DISPOSED IN SAID BOX ADJACENT A LONGITUDINAL END OF SAID BOX, A PAIR OF NESTED DUCTS LONGITUDINALLY SPACED FROM SAID BURNER AND CONNECTED TO THE BACK WALL OF SAID BOX, A BAFFLE IN SAID BOX EXTENDING ACROSS THE FULL WIDTH OF SAID BOX FROM SAID NESTED DUCTS TO A POINT CONTIGUOUS TO SAID BURNER, SAID BAFFLE FORMING AN UPPER COMBUSTION ZONE AND A LOWER AIR SUPPLY ZONE ON THE OPPOSITE SIDES OF SAID BAFFLE, AN AIR INLET OPENING IN SAID BACK WALL BELOW SAID BAFFLE AND IN COMMUNICATION WITH ONE OF SAID NESTED DUCTS, AND A FLUE GASES OUTLET OPENING IN SAID BACK WALL ABOVE SAID BAFFLE AND IN COMMUNICATION WITH THE OTHER OF SAID NESTED DUCTS.
Claim 2
Dependent Claim
139 words
A BASEBOARD-TYPE SPACE HEATER WHICH COMPRISES A LOW, HORIZONTALLY ELONGATED BOX HAVING THE WALLS THEREOF MADE OF SHEET METAL, A GAS BURNER DISPOSED IN SAID BOX ADJACENT A LONGITUDINAL END OF SAID BOX, A PAIR OF NESTED DUCTS LONGITUDINALLY SPACED FROM SAID BURNER AND CONNECTED TO THE BACK WALL OF SAID BOX, A BAFFLE IN SAID BOX EXTENDING ACROSS THE FULL WIDTH OF SAID BOX FROM SAID NESTED DUCTS TO A POINT CONTIGUOUS TO SAID BURNER, SAID BAFFLE FORMING AN UPPER COMBUSTION ZONE AND A LOWER AIR SUPPLY ZONE ON THE OPPOSITE SIDES OF SAID BAFFLE, AN AIR INLET OPENING IN SAID BACK WALL BELOW SAID BAFFLE AND IN COMMUNICATION WITH ONE OF SAID NESTED DUCTS, AND A FLUE GASES OUTLET OPENING IN SAID BACK WALL ABOVE SAID BAFFLE AND IN COMMUNICATION WITH THE OTHER OF SAID NESTED DUCTS.
References Cited (Backward Citations)
US264565A
Cited
US2072833A
Cited
US2361812A
Cited
US2531139A
Cited
US2759472A
Cited
US2811095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |