US3454445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding a completely imidized preformed polyimide layer to metal
Assignee: Texas Instruments Inc
•
Filing: 1965-04-19
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Granted: 1969-07-08
•
Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 George Durst
- 👤 Kenneth E Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B37/00; B32B37/06; B32B37/14; B32B37/16; B32B37/20; B32B2309/00; B32B2309/02; B32B2309/08; B32B2309/10; B32B2309/105; B32B2379/00; B32B2379/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3361589A
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |