Patent US2438999A successfully refreshed from Google Patents.
US3422435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital integrator
Assignee: Texas Instruments Inc
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Filing: 1966-12-05
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Granted: 1969-01-14
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harvey G Cragon
- 👤 Samuel K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:51
CPC Classifications
G; G06; G06F; G06F17/00; G06F17/10; G06F17/18; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; G01S7/285; G01S7/292; G01S7/2923; G01S7/2926
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |