US3288623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of flame spraying graphite to produce a low friction surface
Assignee: Allis Chalmers Corp
•
Filing: 1963-06-04
•
Granted: 1966-11-29
•
Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Colton Ervin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; C; C23; C23C; C23C24/00; C23C4/00; C23C4/04; C23C4/06; C23C4/067; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A METHOD OF APPLYING A LOW FRICTION COATING ONTO THE SURFACE OF AN ARTICLE COMPRISING, FLAME SPRAYING SAID ARTICLE WITH A METALLIC POWDER WHEREIN EACH METALLIC GRAIN HAS A GRAPHITE CORE.
Claim 2
Independent Claim
31 words
A METHOD OF APPLYING A LOW FRICTION COATING ONTO THE SURFACE OF AN ARTICLE COMPRISING, FLAME SPRAYING SAID ARTICLE WITH A METALLIC POWDER WHEREIN EACH METALLIC GRAIN HAS A GRAPHITE CORE.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |