US2635995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic insulating coating
Assignee: RCA Corp
•
Filing: 1948-06-19
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Granted: 1953-04-21
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 Henry T Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:41
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
AN ELECTROPHORETIC INSULATING COATING MATERIAL COMPRISING ALUMINUM OXIDE, A SOLVENT, MAGNESIUM NITRATE ANS ALUMINUM NITRATE HAVING AN ALUMINUM OXIDE EQUIVALENT OF FROM 20 TO 33% BY WEIGHT, THE AMOUNT OF SAID ALUMINUM NITRATE BEING RELATED TO THE AMOUNT OF SAID MAGNESIUM NITRATE AND THE ALUMINUM OXIDE EQUIVALENT OF SAID ALUMINUM NITRATE, THE AMOUNT OF SAID ALUMINUM OXIDE EQUIVALENT BEING FROM .20 TO .33 OF SAID ALUMINUM NITRATE, THE AMOUNT OF SAID ALUMINUM NITRATE BEING SUCH AS TO YIELD 13.95 GRAMS OF ALUMINUM OXIDE, AND THE AMOUNT OF SAID MAGNESIUM NITRATE BEING 47.25 GRAMS.
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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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |