Patent US3443983A successfully refreshed from Google Patents.
US3443983A
Expired / Lapsed
US
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Film forming composition and protected metal articles utilizing the same
Assignee: Hospitality Homes
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Filing: 1966-10-28
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Granted: 1969-05-13
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Sherwin A Golding
- 👤 John E Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:55
CPC Classifications
C; C08; C08L; C08L63/00; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C09; C09D; C09D163/00; C09D177/00; C09D195/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31551; Y10T428/31605; Y10T428/31609
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METAL SHEET HAVING ON AT LEAST ONE SURFACE THEREOF A FIRMLY ADHERENT FLEXIBLE PROTECTIVE RESIN FILM COATING WHICH COMPRISES A HIGH TEMPERATURE REACTION PRODUCT OF A MIXTURE OF (A) A POLYAMIDE RESINOUS MATERIAL CONTAINING TERMINAL AMINE GROUPS; (B) AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS IN A PROPORTION OF ABOUT 1 TO 4 PARTS BY WEIGHT EPOXY RESINOUS MATERIAL FOR EVERY ONE PART BY WEIGHT OF POLAMIDE RESINOUS MATERIAL; (C) FATTY-ACID PITCH IN THE PROPORTION OF ABOUT 0.2 TO 1.0 PART BY WEIGHT FATTY-ACID PITCH FOR EVERY ONE PART BY WEIGHT OF COMPONENTS (A) AND (B); (D) FINELY DIVIDED INERT PARTICULATE INORGANIC FILLER IN THE PROPORTION OF ABOUT 0.05 TO 0.50 PART BY WEIGHT OF SAID FILLER FOR EVERY ONE PART BY WEIGHT OF COMPONENTS (A), (B) AND (C).
Claim 2
Dependent Claim
131 words
A METAL SHEET HAVING ON AT LEAST ONE SURFACE THEREOF A FIRMLY ADHERENT FLEXIBLE PROTECTIVE RESIN FILM COATING WHICH COMPRISES A HIGH TEMPERATURE REACTION PRODUCT OF A MIXTURE OF (A) A POLYAMIDE RESINOUS MATERIAL CONTAINING TERMINAL AMINE GROUPS; (B) AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS IN A PROPORTION OF ABOUT 1 TO 4 PARTS BY WEIGHT EPOXY RESINOUS MATERIAL FOR EVERY ONE PART BY WEIGHT OF POLAMIDE RESINOUS MATERIAL; (C) FATTY-ACID PITCH IN THE PROPORTION OF ABOUT 0.2 TO 1.0 PART BY WEIGHT FATTY-ACID PITCH FOR EVERY ONE PART BY WEIGHT OF COMPONENTS (A) AND (B); (D) FINELY DIVIDED INERT PARTICULATE INORGANIC FILLER IN THE PROPORTION OF ABOUT 0.05 TO 0.50 PART BY WEIGHT OF SAID FILLER FOR EVERY ONE PART BY WEIGHT OF COMPONENTS (A), (B) AND (C).
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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |