US3681019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated substrate or article having a low friction surface resistant to dewetting at elevated temperatures and process of forming
Assignee: Olin Corp
•
Filing: 1971-02-01
•
Granted: 1972-08-01
•
Expires: 1991-02-01
Abstract
Abstract A SUBSTRATE OR ARTICLE HAVING A LOW FRICTION SURFACE RESISTANT TO DEWETTING AT ELEVATED TEMPERATURES AND A PROCESS OF MAKING SAME. THE LOW FRICTION SURFACE COMPRISES TWO LAYERS. THE FIRST LAYER COMPRISES A METAL SELECTED FROM ZINC, COPPER, CADMIUM, BISMUTH, TIN, ANTIMONY,LEAD, IRON AND THEIR ALLOYS. THE SECOND LAYER COMPRISES A METAL SOAP. PREFERABLY, THE FIRST LAYER IS ZINC AND THE SECOND LAYER IS A SODIUM SOAP AND THE SBUSTRATE OR ARTICLE IS A LAMP BASE OF ALUMINUM OR AN ALUMINUM ALLOY.
Inventors
- 👤 Sheldon W Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:06
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/34; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12736; Y10T428/12771; Y10T428/12785; Y10T428/12792
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |