US3278864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency power transfer unit
Assignee: Lockheed Martin Corp
•
Filing: 1960-06-28
•
Granted: 1966-10-11
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jesse L Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/085; H01P5/00; H01P5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
IN A HIGH FREQUENCY POWER TRANSFER UNIT ADAPTED TO TRANSFER FROM A FIRST TRANSMISSION LINE TO ANOTHER TRANSMISSION LINE SUBSTANTIALLY ALL THE POWER ENTERING SAID UNIT ON SAID FIRST LINE, THE COMBINATION OF FIRST AND SECOND DIRECTIONAL COUPLERS COMPRISING PORTIONS OF SAID LINES, SAID COUPLERS BEING SERIES ALONG SAID LINES AND BEING SO ARRANGED THAT WITH INPUT POWER ON ONE OF SAID LINES, SAID FIRST COUPLER COUPLES POWER IN THE SAME DIRECTION ON THE OTHER OF SAID LINES AS SAID SECOND COUPLER, THE RELATIVE DISTANCES ALONG SAID LINES BETWEEN SAID COUPLERS BEING SUCH AS TO PROVIDE SUBSTANTIAL FIELD CANCELLATION AT THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |