US3409832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmitting arrangements for the transmission of amplitude modulated oscillations
Assignee: US Philips Corp
•
Filing: 1966-04-01
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Granted: 1968-11-05
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Theodorus Jozef Van Kessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:29
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/06; H03C; H03C1/00; H03C1/52; H03C1/60; H04; H04B; H04B1/00; H04B1/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2989707A
Cited
US3323064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |