US3350656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spin wave traveling wave amplifiers
Assignee: RCA Corp
•
Filing: 1966-03-29
•
Granted: 1967-10-31
•
Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Vural Bayram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:05
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN COMBINATION, (A) MEANS FOR ESTABLISHING A STREAM OF CHARGE CARRIERS IN A GIVEN DIRECTION, (B) MEANS FOR ESTABLISHING A MAGNETIC FIELD IN A DIRECTION LONGITUDINAL TO SAID STREAM OF CARRIERS, (C) MEANS FOR PROPAGAING A SPIN WAVE LONGITUDINAL TO AND IN THE SAME DIRECTION AS SAID STREAM OF CARRIERS, (D) MEANS INCLUDING SAID MAGNETIC FIELD ESTABLISHING MEANS TO COUPLE SAID SPIN WAVE TO SAID CARRIER STREAM TO CAUSE GROWING WAVE INTERACTION.
Claim 2
Dependent Claim
72 words
IN COMBINATION, (A) MEANS FOR ESTABLISHING A STREAM OF CHARGE CARRIERS IN A GIVEN DIRECTION, (B) MEANS FOR ESTABLISHING A MAGNETIC FIELD IN A DIRECTION LONGITUDINAL TO SAID STREAM OF CARRIERS, (C) MEANS FOR PROPAGAING A SPIN WAVE LONGITUDINAL TO AND IN THE SAME DIRECTION AS SAID STREAM OF CARRIERS, (D) MEANS INCLUDING SAID MAGNETIC FIELD ESTABLISHING MEANS TO COUPLE SAID SPIN WAVE TO SAID CARRIER STREAM TO CAUSE GROWING WAVE INTERACTION.
References Cited (Backward Citations)
US3158819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |