US2956113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for multiplying functions in the form of electrical signals
Assignee: US Philips Corp
•
Filing: 1958-08-15
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Granted: 1960-10-11
•
Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Kaashoek Johannes
- 👤 Poorter Teunis
- 👤 Valeton Josue Jean Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:09
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; H; H04; H04N; H04N9/00; H04N9/64; H04N9/68; H04N9/69
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2838661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |