US3004155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse modulation transmitter circuits
Assignee: Raytheon Co
•
Filing: 1959-01-14
•
Granted: 1961-10-10
•
Expires: 1979-01-14
Abstract
No abstract record available.
Inventors
- 👤 Leigh A Brite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:39
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882698A
Cited
US2666181A
Cited
US2672509A
Cited
US2779933A
Cited
US2923891A
Cited
US2881320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |