Patent US3017108A successfully refreshed from Google Patents.
US3017108A
Expired / Lapsed
US
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Electronic analog multiplier
Assignee: Individual
•
Filing: 1958-06-02
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Granted: 1962-01-16
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 David C Kalbfell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:45
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425405A
Cited
US2480201A
Cited
US2725191A
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US2731557A
Cited
US2773641A
Cited
US2839244A
Cited
US2710348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |