US2598754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1944-01-31
•
Granted: 1952-06-03
•
Expires: 1964-01-31
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:25
CPC Classifications
F; F02; F02M; F02M51/00; F02M51/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE18194E
Cited
US719325A
Cited
US1059604A
Cited
US1197262A
Cited
US1177761A
Cited
US1288439A
Cited
US1575008A
Cited
US2151519A
Cited
US2226856A
Cited
US2349864A
Cited
US2340075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |