US3539717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Touch control display system
Assignee: Texas Instruments Inc
•
Filing: 1967-09-25
•
Granted: 1970-11-10
•
Expires: 1987-09-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/042; G06F3/0425; G06F3/033; G06F3/038; G06F3/0386; G06F3/0421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2095391A
Cited
US3016421A
Cited
US3128340A
Cited
US3328523A
Cited
US3395246A
Cited
US3443027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |