Patent US1745408A successfully refreshed from Google Patents.
Patent US3580738A successfully refreshed from Google Patents.
US3580738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastics materials with conductive surfaces
Assignee: EMI Group Ltd
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Filing: 1970-02-16
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Granted: 1971-05-25
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Expires: 1990-02-16
Abstract
Abstract A METHOD OF MAKING LIGHT TRANSMITTING PLASTICS ELECTRICALLY CONDUCTIVE INCLUDING DEPOSITING A LAYER OF INDIUM METAL UPON THE PLASTIC, HEATING THE LAYER AND THEN WASHING IT WITH AN ACID.
Inventors
- 👤 Peter Whitten Ranby
- 👤 John Lenard Northwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:46
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/26; H05B33/28; C; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/20; H01; H01B; H01B1/00; Y; Y10; Y10S; Y10S428/00; Y10S428/917
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |