US3051912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for the formation of a signal from a plurality of other signals
Assignee: US Philips Corp
•
Filing: 1958-08-15
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Granted: 1962-08-28
•
Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Kaashock Johannes
- 👤 Poorter Teunis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:45
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/02; H04H60/04; H03; H03G; H03G3/00; H03G3/02; H03G3/04; H03G3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2657254A
Cited
US2858362A
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US2903506A
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US2807660A
Cited
US2848528A
Cited
US2846574A
Cited
US2961483A
Cited
US2981792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |