Patent US3389723A successfully refreshed from Google Patents.
US3389723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid insertion and machine
Assignee: Texas Instruments Inc
•
Filing: 1966-02-16
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Granted: 1968-06-25
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Litterst
- 👤 Francis M Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:49
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0448; G; G01; G01F; G01F11/00; G01F11/10; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |