US3087472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the improved combustion of fuels
Assignee: Individual
•
Filing: 1961-03-30
•
Granted: 1963-04-30
•
Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Asakawa Yukichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:30
CPC Classifications
F; F23; F23C; F23C99/00; F23C99/001; F02; F02B; F02B51/00; F02B51/04; F23B; F23B7/00; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
THE IMPROVED METHOD OF COMBUSTION WHICH CONSISTS IN SUPPLYING A MIXTURE OF OXYGEN CONTAINING GASEOUS FLUID AND FUEL TO A COMBUSTION CHAMBER, APPLYING A HIGH POTEN-
Claim 2
Dependent Claim
26 words
THE IMPROVED METHOD OF COMBUSTION WHICH CONSISTS IN SUPPLYING A MIXTURE OF OXYGEN CONTAINING GASEOUS FLUID AND FUEL TO A COMBUSTION CHAMBER, APPLYING A HIGH POTEN-
References Cited (Backward Citations)
US2604936A
Cited
US2844135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |