US3453722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the fabrication of integrated circuits
Assignee: Texas Instruments Inc
•
Filing: 1965-12-28
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Granted: 1969-07-08
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Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Ramsey Jr
- 👤 James H Van Tassel
- 👤 Richard P Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:35
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |