US3156580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surface finishing metal surfaces with epoxy and acrylic resins
Assignee: Bell Aerospace Corp
•
Filing: 1960-01-29
•
Granted: 1964-11-10
•
Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 Robert F Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:26
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/542; B05D2502/00; B05D2504/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN THE PROCESS OF COATING THE SURFACE OF AN ARTICLE, THE STEPS OF CLEANING THE ARTICLE, APPLYING A LAYER OF FLUID EPOXY RESIN CONTAINING A CATALYST THEREFOR DIRECTLY TO THE SURFACE OF THE ARTICLE, AND THEN APPLYING A LAYER OF FLUID ACRYLIC RESIN CONTAINING A CATALYST THEREFOR DIRECTLY TO THE EPOXY RESIN LAYER, IN WHICH THE ACRYLIC RESIN LAYER IS APPLIED WHILE THE EPOXY RESIN LAYER IS ONLY PARTIALLY CURED.
Claim 2
Dependent Claim
70 words
IN THE PROCESS OF COATING THE SURFACE OF AN ARTICLE, THE STEPS OF CLEANING THE ARTICLE, APPLYING A LAYER OF FLUID EPOXY RESIN CONTAINING A CATALYST THEREFOR DIRECTLY TO THE SURFACE OF THE ARTICLE, AND THEN APPLYING A LAYER OF FLUID ACRYLIC RESIN CONTAINING A CATALYST THEREFOR DIRECTLY TO THE EPOXY RESIN LAYER, IN WHICH THE ACRYLIC RESIN LAYER IS APPLIED WHILE THE EPOXY RESIN LAYER IS ONLY PARTIALLY CURED.
References Cited (Backward Citations)
US1912371A
Cited
US2864722A
Cited
US2842459A
Cited
US2887404A
Cited
US2902471A
Cited
US2949380A
Cited
US2992132A
Cited
US2940872A
Cited
US2949383A
Cited
US3023124A
Cited
US3042545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |