US2748030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resilient dry lubrication
Assignee: ELECTROFILM Inc
•
Filing: 1954-05-20
•
Granted: 1956-05-29
•
Expires: 1974-05-20
Abstract
No abstract record available.
Inventors
- 👤 Herman I Silversher
- 👤 George W Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:04
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/061; C10M2201/065; C10M2201/066; C10M2201/14; C10M2201/16; C10M2201/18; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/101; C10M2209/102; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2227/00; C10M2227/06; C10M2227/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/269; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
AN ARTICLE HAVING A SURFACE THAT IS SUBJECTED IN USE TO SUBSTANTIAL MECHANICAL FRICTION FOR PROLONGED PERIODS OF TIME UNDER HIGH HEAT CONDITIONS, SAID SURFACE BEING SUBSTANTIALLY COMPLETELY COVERED WITH BORON NITRIDE BONDED THERETO BY A HEAT HARDENED RESIN BINDING AGENT.
Claim 2
Dependent Claim
41 words
AN ARTICLE HAVING A SURFACE THAT IS SUBJECTED IN USE TO SUBSTANTIAL MECHANICAL FRICTION FOR PROLONGED PERIODS OF TIME UNDER HIGH HEAT CONDITIONS, SAID SURFACE BEING SUBSTANTIALLY COMPLETELY COVERED WITH BORON NITRIDE BONDED THERETO BY A HEAT HARDENED RESIN BINDING AGENT.
References Cited (Backward Citations)
US2152536A
Cited
US2330635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |