US3261346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid fueled heater
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-11-19
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Granted: 1966-07-19
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Mathis T Waddell
- 👤 John M Powers
- 👤 Rhoderick K Saunders
- 👤 Robert L Paulsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:21
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; A; A01; A01G; A01G13/00; A01G13/06; A47; A47J; A47J36/00; A47J36/24; A47J36/2477; Y; Y02; Y02E; Y02E50/00; Y02E50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SOLID FUELED HEATER WHICH COMPRISES: A CONTAINER CONSISTING OF A LOWER END AND A BODY OF COMBUSTIBLE MATERIAL, THE OUTSIDE OF SAID MATERIAL COVERED WITH A FLAME-PROOF AND WATER-RESISTANT SUBSTANCE; A WAX HAVING A MELTING POINT ABOVE ABOUT 140*F. AND A FIRE POINT ABOVE ABOUT 525*F. WHICH SUBSTANTIALLY FILLS SAID CONTAINER; AND A WAX-IMPREGNATED, HEAT-INSULATING, NON-COMBUSTIBLE CAP WHICH IS IN SAID CONTAINER CONTIGUOUS WITH SAID WAX AND CONFORMS IN SHAPE TO SAID LOWER END OF SAID CONTAINER.
Claim 2
Dependent Claim
78 words
A SOLID FUELED HEATER WHICH COMPRISES: A CONTAINER CONSISTING OF A LOWER END AND A BODY OF COMBUSTIBLE MATERIAL, THE OUTSIDE OF SAID MATERIAL COVERED WITH A FLAME-PROOF AND WATER-RESISTANT SUBSTANCE; A WAX HAVING A MELTING POINT ABOVE ABOUT 140*F. AND A FIRE POINT ABOVE ABOUT 525*F. WHICH SUBSTANTIALLY FILLS SAID CONTAINER; AND A WAX-IMPREGNATED, HEAT-INSULATING, NON-COMBUSTIBLE CAP WHICH IS IN SAID CONTAINER CONTIGUOUS WITH SAID WAX AND CONFORMS IN SHAPE TO SAID LOWER END OF SAID CONTAINER.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |