US3055769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature antifriction seal, material, and method of manufacture
Assignee: Bendix Corp
•
Filing: 1958-12-08
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Granted: 1962-09-25
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Herron
- 👤 James W Vogan
- 👤 David M Seruggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:45
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/043; F16C2204/00; F16C2204/60; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/913; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/49709; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/49947; Y10T29/49954; Y10T29/49956; Y10T29/49957; Y10T29/49972; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A NEW AND IMPROVED METHOD OF FORMING A NON GALLING ESSENTIALLY METALLIC SURFACE FOR RUBBING CONTACT WITH ANOTHER METAL SURFACE AT ELEVATED TEMPERATURES COMPRISING: ROVIDING A METALLIC BACKUP MMEMBER, SUITABLY ROUGHING UP A SURFACE OF SAID BACKUP MEMBER AND FLAME SPRAYING A POWDER MIXTURE HAVING MORE THAN APPROXIMATELY 3% MGO PARTICLES, MORE THAN APPROXIMATELY 10% MO PARTICLES, AND MORE THAN APPROXIMATELY 20% FE PARTICLES ON THE RUBBER SURFACE OF THE BACKUP MEMBER USING A POWDER TO ACETYLENE RATIO OF NOT SUBSTANTIALLY MORE THAN 900 GRAMS/39 CU. FT.
Claim 2
Dependent Claim
87 words
A NEW AND IMPROVED METHOD OF FORMING A NON GALLING ESSENTIALLY METALLIC SURFACE FOR RUBBING CONTACT WITH ANOTHER METAL SURFACE AT ELEVATED TEMPERATURES COMPRISING: ROVIDING A METALLIC BACKUP MMEMBER, SUITABLY ROUGHING UP A SURFACE OF SAID BACKUP MEMBER AND FLAME SPRAYING A POWDER MIXTURE HAVING MORE THAN APPROXIMATELY 3% MGO PARTICLES, MORE THAN APPROXIMATELY 10% MO PARTICLES, AND MORE THAN APPROXIMATELY 20% FE PARTICLES ON THE RUBBER SURFACE OF THE BACKUP MEMBER USING A POWDER TO ACETYLENE RATIO OF NOT SUBSTANTIALLY MORE THAN 900 GRAMS/39 CU. FT.
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |