US3105484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater
Assignee: Individual
•
Filing: 1959-10-14
•
Granted: 1963-10-01
•
Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 David C Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:31
CPC Classifications
F; F24; F24C; F24C5/00; F24C5/20; F24C5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A REUSABLE HEATER COMPRISING A CONTAINER, A NONCOMBUSTIBLE, POROUS, INORGANIC FILLER WITHIN THE CONTAINER, SAID CONTAINER HAVING OPENINGS IN ITS SIDE WALLS TO EXPOSE AT LEAST A PORTION OF SAID FILLER, WHEREBY THE BURNING OF FUEL CARRIED BY SAID FILLER OCCURS AT LEEAST IN PART OF THE SAID WALLS OF THE CONTAINER.
Claim 2
Dependent Claim
52 words
A REUSABLE HEATER COMPRISING A CONTAINER, A NONCOMBUSTIBLE, POROUS, INORGANIC FILLER WITHIN THE CONTAINER, SAID CONTAINER HAVING OPENINGS IN ITS SIDE WALLS TO EXPOSE AT LEAST A PORTION OF SAID FILLER, WHEREBY THE BURNING OF FUEL CARRIED BY SAID FILLER OCCURS AT LEEAST IN PART OF THE SAID WALLS OF THE 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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |