Patent US3354878A successfully refreshed from Google Patents.
US3354878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable ranges
Assignee: Individual
•
Filing: 1965-12-22
•
Granted: 1967-11-28
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Balls Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:07
CPC Classifications
F; F24; F24C; F24C1/00; F24C1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A RANGE OF THE CLASS DESCRIBED, A BOTTOM FIREBOX, AN OVEN ABOVE SAID BOX HAVING AN OPEN TOP, AN OVEN DOOR ABOVE SAID FIREBOX OPENING DOWNWARDLY INTO A FULLY OPENED, HORIZONTAL POSITION, PAIRS OF OPPOSED RACK BARS ON THE SIDES OF SAID OVEN ARRANGED AT DIFFERENT LEVELS TO PROVIDE AN UPPER, A LOWER AND IN INTERMEDIATE PAIR WITH THE LOWER PAIR AT THE LEVEL OF THE DOOR WHEN SAID DOOR IS FULLY OPENED, A ROLLER-SUPPORTED CRADLE OPERATIVE FROM A POSITION OF REST ON SAID DOOR FOR ROLLING ONTO THE LOWER PAIR OF RACK BARS INTO SAID OVEN, AND A FALSE OVEN BOTTOM REMOVABLY MOUNTED ON SAID CRADLE FOR MOVEMENT INTO SAID OVEN THEREBY BELOW THE INTERMEDIATE PAIR OF RACK BARS, THE INTERMEDIATE PAIR OF RACK BARS BEING ADAPTED TO SUPPORT A PAN THEREON, AND A HEAT BAFFLE PLATE DISPOSED ON THE UPPER PAIR OF RACK BARS TO PREVENT THE ESCAPE OF HEAT FROM THE TOP OF SAID OVEN AND CONFINE THE HEAT CLOSE
Claim 2
Dependent Claim
164 words
IN A RANGE OF THE CLASS DESCRIBED, A BOTTOM FIREBOX, AN OVEN ABOVE SAID BOX HAVING AN OPEN TOP, AN OVEN DOOR ABOVE SAID FIREBOX OPENING DOWNWARDLY INTO A FULLY OPENED, HORIZONTAL POSITION, PAIRS OF OPPOSED RACK BARS ON THE SIDES OF SAID OVEN ARRANGED AT DIFFERENT LEVELS TO PROVIDE AN UPPER, A LOWER AND IN INTERMEDIATE PAIR WITH THE LOWER PAIR AT THE LEVEL OF THE DOOR WHEN SAID DOOR IS FULLY OPENED, A ROLLER-SUPPORTED CRADLE OPERATIVE FROM A POSITION OF REST ON SAID DOOR FOR ROLLING ONTO THE LOWER PAIR OF RACK BARS INTO SAID OVEN, AND A FALSE OVEN BOTTOM REMOVABLY MOUNTED ON SAID CRADLE FOR MOVEMENT INTO SAID OVEN THEREBY BELOW THE INTERMEDIATE PAIR OF RACK BARS, THE INTERMEDIATE PAIR OF RACK BARS BEING ADAPTED TO SUPPORT A PAN THEREON, AND A HEAT BAFFLE PLATE DISPOSED ON THE UPPER PAIR OF RACK BARS TO PREVENT THE ESCAPE OF HEAT FROM THE TOP OF SAID OVEN AND CONFINE THE HEAT CLOSE
References Cited (Backward Citations)
US1271309A
Cited
US1438792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |