US3716348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming abrasion-resistant self-lubricating coating on ferrous metals and aluminum and resulting articles
Assignee: Individual
•
Filing: 1970-06-01
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Granted: 1973-02-13
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Expires: 1990-06-01
Abstract
Abstract A LOW FRICTION, ABRASION RESISTANT, HARD SURFACE, NONSTICK COATING COMPRISING NICKEL AND FLUOROCARBON MATERIAL, AND METHOD OF APPLICATION OF SUCH COATING, FURNISHING COATINGS USEFUL FOR FRICTION SURFACES SUCH AS CYLINDER AND BEARING APPLICATIONS, MOLD COATINGS, COOKING UTENSILS, AND CORROSION AND ABRASION RESISTANT COATINGS FOR CHEMICAL PROCESS EQUIPMENT AND THE LIKE. THE PROCESS MAY BE CARRIED OUT WITHOUT PRESSURIZED, LAMINATING, OR OTHER SPECIALIZED APPARATUS.
Inventors
- 👤 G Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D2350/00; B05D2350/60; B05D2350/65; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12937; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |