US3427244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid lubricant composites
Assignee: Westinghouse Electric Corp
•
Filing: 1967-06-06
•
Granted: 1969-02-11
•
Expires: 1987-06-06
Abstract
No abstract record available.
Inventors
- 👤 David J Boes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:15
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/04; C10M2201/05; C10M2201/06; C10M2201/061; C10M2201/065; C10M2201/066; C10M2201/16; C10M2201/18; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2686155A
Cited
US2700623A
Cited
US2855377A
Cited
US3014865A
Cited
US2998397A
Cited
US2980475A
Cited
US3141238A
Cited
US3122505A
Cited
US3257317A
Cited
US3317341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |