US3438602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endothermic fuel system for airbreathing aircraft
Assignee: Dow Chemical Co
•
Filing: 1967-10-20
•
Granted: 1969-04-15
•
Expires: 1987-10-20
Abstract
No abstract record available.
Inventors
- 👤 Charles R Noddings
- 👤 James A Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:54
CPC Classifications
C; C10; C10G; C10G11/00; B; B64; B64C; B64C1/00; B64C1/38; B64D; B64D13/00; B64D13/006; C10G11/10; C10L; C10L1/00; C10L1/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |