US3582398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarbonate substrate with an acrylate coating thereon
Assignee: General Electric Co
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Filing: 1965-05-18
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Granted: 1971-06-01
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Expires: 1985-05-18
Abstract
Abstract A THEREMOPLASTIC PART HAVING AN ARMATIC POLYCARBONATE RESIN SUBSTRATE OR 2,2''-BIS(4-HYDROXYPHENYL)PROPANE AND A TRANSPARENT POLYMETHYLMETHACRYLATE COATING THEREON, WHICH COATING CAN IN ADDITION CONTAIN AS ULTRAVIOLET LIGHT ABSORBENT.
Inventors
- 👤 Harold R Ringler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:55
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B05D7/00; B05D7/02; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |