US3473153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for digital to analog conversion
Assignee: Texas Instruments Inc
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Filing: 1966-06-02
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Granted: 1969-10-14
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Expires: 1986-06-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Lehnhardt
- 👤 David R Steetle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/32; G01D; G01D15/00; G01D15/14
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |