US3413810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection device for liquid fuel rocket engines
Assignee: Bolkow GmbH
•
Filing: 1966-05-13
•
Granted: 1968-12-03
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 Kaufmann Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52; F02K9/46; F02K9/48; F02K9/60; F02K9/62; F02K9/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2729059A
Cited
US2787120A
Cited
US2672011A
Cited
US2780916A
Cited
GB802428A
Cited
US2944388A
Cited
US3046731A
Cited
US3091921A
Cited
US3232048A
Cited
US3286473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |