US3392804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication system
Assignee: McDonnell Douglas Corp
•
Filing: 1965-06-29
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Granted: 1968-07-16
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Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 Fleur James K La
- 👤 Angel R Florez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:57
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; Y; Y10; Y10S; Y10S277/00; Y10S277/918
Claims Analysis
Total Claims: 0
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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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |