US3279458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lined combustion devices
Assignee: Individual
•
Filing: 1965-12-14
•
Granted: 1966-10-18
•
Expires: 1985-12-14
Abstract
No abstract record available.
Inventors
- 👤 Frank F Moench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:04
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A COMBUSTION CHAMBER COMPRISING A HOUSING, A PLURALITY OF FOUR-SIDED HEAT-RADIATING LINER MEMBERS, EACH HAVING AN INNER PORTION OF REFRACTORY MATERIAL IN ABUTTING RELATIONSHIP LINING THE INTERIOR OF SAID HOUSING AND BEING OF SUFFICIENT THICKNESS TO HEAT-INSULATE THE HOUSING AND AN OUTER BACKING PLATE PORTION SEPARATELY ATTACHED AND RIGIDLY SECURED TO THE HOUSING, THE INNER REFRACTORY PORTION HAVING AN ALINED GROOVE PORTION IN EACH OF ITS FOUR SIDES FORMING CUP-LIKE PORTIONS BETWEEN FACING GROOVES, A GLAZING COMPOSITION OF THE ALUMINUM SILICATE TYPE FILLING SAID CUP-LIKE PORTIONS AND THE SPACE BETWEEN SAID ADJOINING LINER MEMBERS TO CLOSE THE AIR SPACE AND TO PREVENT HEAT TRANSMISSION THEREBETWEEN, THEREBY PROVIDING A SUBSTANTIALLY CONTINUOUS LINING WITHIN THE HOUSING, SAID COMPOSITION RETAINING ITS GENERALLY PLASTIC CONDITION AFTER CONTINUED PERIODS OF USAGE, AND SAID LINING RECEIVING A HEAT SUPPLY AND RADIATING THE HEAT IN THE INFRARED REGION OF THE SPECTRUM.
Claim 2
Dependent Claim
144 words
A COMBUSTION CHAMBER COMPRISING A HOUSING, A PLURALITY OF FOUR-SIDED HEAT-RADIATING LINER MEMBERS, EACH HAVING AN INNER PORTION OF REFRACTORY MATERIAL IN ABUTTING RELATIONSHIP LINING THE INTERIOR OF SAID HOUSING AND BEING OF SUFFICIENT THICKNESS TO HEAT-INSULATE THE HOUSING AND AN OUTER BACKING PLATE PORTION SEPARATELY ATTACHED AND RIGIDLY SECURED TO THE HOUSING, THE INNER REFRACTORY PORTION HAVING AN ALINED GROOVE PORTION IN EACH OF ITS FOUR SIDES FORMING CUP-LIKE PORTIONS BETWEEN FACING GROOVES, A GLAZING COMPOSITION OF THE ALUMINUM SILICATE TYPE FILLING SAID CUP-LIKE PORTIONS AND THE SPACE BETWEEN SAID ADJOINING LINER MEMBERS TO CLOSE THE AIR SPACE AND TO PREVENT HEAT TRANSMISSION THEREBETWEEN, THEREBY PROVIDING A SUBSTANTIALLY CONTINUOUS LINING WITHIN THE HOUSING, SAID COMPOSITION RETAINING ITS GENERALLY PLASTIC CONDITION AFTER CONTINUED PERIODS OF USAGE, AND SAID LINING RECEIVING A HEAT SUPPLY AND RADIATING THE HEAT IN THE INFRARED REGION OF THE SPECTRUM.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |