US2955952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for patching defects in glass or enamel coatings and method of applying the same
Assignee: AO Smith Corp
•
Filing: 1956-09-24
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Granted: 1960-10-11
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Herbst Irene Alma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:00
CPC Classifications
C; C08; C08L; C08L63/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T428/00; Y10T428/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A METHOD OF PATCHING DEFECTS IN A GLASS COATING ON A METAL ARTICLE WITH A SOLID RESINUOUS PATCHING COMPOSITION CONSISTING ESSENTIALLY OF BY WEIGHT 74% TO 85% OF AN EPOXY RESIN HAVING A MELTING POINT IN THE RANGE OF 150* F. TO 217*F. AND HAVING AN EPOXY EQUIVALENT OF 450 TO 1000 GRAMS OF RESIN CONTAINING 1 EQUIVALENT OF EPOXIDE, 7% TO 12% OF A WAX HAVING A MELTING POINT IN THE RANGE OF 120*F. TO 200*F., AND 7 TO 12% OF A PLASTICIZER CHARACTERIZED BY THE ABILITY TO PROVIDE FLEXIBILITY TO THE COMPOSITION AT TEMPERATURE IN THE RANGE OF 25*F. TO 80* F., SAID METHOD COMPRISING THE STEPS OF GRINDING OUT THE
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |