US3480795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample and hold circuit
Assignee: International Business Machines Corp
•
Filing: 1966-06-15
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Granted: 1969-11-25
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Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Allen B Benson
- 👤 George G Gorbatenko
- 👤 James Jursik
- 👤 Ronald E Kath
- 👤 Jerry D Ovrebo
- 👤 David H Skrenes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:36
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; G11; G11C; G11C27/00; G11C27/02; G11C27/024; G11C27/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2798153A
Cited
US3029386A
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US3052851A
Cited
US3201641A
Cited
US3191073A
Cited
US3286101A
Cited
US3363113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |