US3523824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallization of plastic materials
Assignee: International Business Machines Corp
•
Filing: 1966-12-29
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Granted: 1970-08-11
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 John V Powers
- 👤 Lubomyr T Romankiw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:26
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/208; C23C18/28; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F41/00; H01F41/14; H01F41/24; H01F41/26; C23C18/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916393A
Cited
US3014818A
Cited
US3150939A
Cited
US3171757A
Cited
US3226256A
Cited
US3370973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |