US2947677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic coating material
Assignee: GTE Sylvania Inc
•
Filing: 1958-07-11
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Granted: 1960-08-02
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Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Blickwedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:55
CPC Classifications
C; C25; C25D; C25D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SUSPENSION FOR ELECTROPHORETICALLY COATING A METAL BASE CONSISTING ESSENTIALLY OF ALKALINE EARTH METAL CARBONATES AND FROM AT LEAST .5% TO BUT NOT GREATER THAN 10% BY WEIGHT OF AN ALKALINE EARTH METAL NITRATE SUSPENDED IN A SOLUTION OF FROM 6% TO 60% BY WEIGHT OF A POLYMETHACRYLATE DISSOLVED IN FROM 4 CC. PER GRAM TO 12 CC. PER GRAM OF A HYDROCARBON ESTER OG AN ORGANIC ACID, ALL OF SAID WEIGHTS BEING BASED UPON THE WEIGHT OF SAID CARBONATES.
Claim 2
Dependent Claim
80 words
A SUSPENSION FOR ELECTROPHORETICALLY COATING A METAL BASE CONSISTING ESSENTIALLY OF ALKALINE EARTH METAL CARBONATES AND FROM AT LEAST .5% TO BUT NOT GREATER THAN 10% BY WEIGHT OF AN ALKALINE EARTH METAL NITRATE SUSPENDED IN A SOLUTION OF FROM 6% TO 60% BY WEIGHT OF A POLYMETHACRYLATE DISSOLVED IN FROM 4 CC. PER GRAM TO 12 CC. PER GRAM OF A HYDROCARBON ESTER OG AN ORGANIC ACID, ALL OF SAID WEIGHTS BEING BASED UPON THE WEIGHT OF SAID CARBONATES.
References Cited (Backward Citations)
US2442863A
Cited
US2800446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |