Patent US3409525A successfully refreshed from Google Patents.
US3409525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reducing corrosion
Assignee: Goodyear Tire and Rubber Co
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Filing: 1965-05-24
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Granted: 1968-11-05
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Taylor
- 👤 Daniel T Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:39
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/08; B05D1/00; B05D1/18; B05D1/22; B05D1/24; B05D2350/00; B05D2350/10; B05D2508/00; B05D3/00; B05D3/10; B05D3/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
IN THE CATHODE PROCESS OF PROTECTING FERROU ARTICLES FROM CORROSION THE IMPROVEMENT WHICH COMPRISES SUBJECTING A FERROUS ARTICLE TO A TREATMENT THAT FORMS A PHOSPHATE COATING ON THE SURFACE OF THE ARTICLE, THEN COATING IT WITH A FUSED RESIN, AND THEN CATHODICALLY PROTECTING SAID ARTICLE.
Claim 2
Dependent Claim
45 words
IN THE CATHODE PROCESS OF PROTECTING FERROU ARTICLES FROM CORROSION THE IMPROVEMENT WHICH COMPRISES SUBJECTING A FERROUS ARTICLE TO A TREATMENT THAT FORMS A PHOSPHATE COATING ON THE SURFACE OF THE ARTICLE, THEN COATING IT WITH A FUSED RESIN, AND THEN CATHODICALLY PROTECTING SAID ARTICLE.
References Cited (Backward Citations)
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US3097118A
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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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |