US2546034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pump and motor unit for aircraft fuel systems
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1950-01-21
•
Granted: 1951-03-20
•
Expires: 1970-01-21
Abstract
No abstract record available.
Inventors
- 👤 Paul J Lansing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/12; F04D13/02; F04D13/021
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) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |