US3273098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency matching transformer
Assignee: Individual
•
Filing: 1964-06-01
•
Granted: 1966-09-13
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Saito Goichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
H; H01; H01F; H01F19/00; H01F19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A HIGH FREQUENCY MATCHING TRANSFORMER COMPRISING A BOBBIN, A PAIR OF BIFILAR COILS ON SAID BOBBIN, ONE OF SAID BIFILAR COILS EXTENDING FROM THE CENTER TO A FIRST END OF SAID BOBBIN, THE OTHER OF SAID BIFILAR COILS EXTENDING FROM THE CENTER TO A SECOND END OF SAID BOBBIN, A METAL BOX HAVING A PAIR OF TERMINALS AT ONE END OF SAID BOX, A TWO-TERMINAL CONNECTOR AT THE OTHER END OF SAID BOX, FIRST AND SECOND CONDUCTIVE LEADS CONNECTING ONE COIL OF EACH BIFILAR PAIR OF SAID METAL BOX, THIRD AND FOURTH CONDUCTIVE LEADS CONNECTING THE OTHER COIL OF EACH BIFILAR PAIR OF CONDUCTIVE ARMS, EXTENDING PARALLEL TO THE WALLS OF SAID BOX AND CONNECTING SAID TERMINALS ON SAID BOX, AND TWO EXTENSION WIRES EXTENDING FROM EACH COIL OF SAID BIFILAR PAIR AT THE CENTER OF SAID BOBBIN TO DIFFERENT TERMINALS OF SAID TWO-TERMINAL CONNECTOR.
Claim 2
Dependent Claim
145 words
A HIGH FREQUENCY MATCHING TRANSFORMER COMPRISING A BOBBIN, A PAIR OF BIFILAR COILS ON SAID BOBBIN, ONE OF SAID BIFILAR COILS EXTENDING FROM THE CENTER TO A FIRST END OF SAID BOBBIN, THE OTHER OF SAID BIFILAR COILS EXTENDING FROM THE CENTER TO A SECOND END OF SAID BOBBIN, A METAL BOX HAVING A PAIR OF TERMINALS AT ONE END OF SAID BOX, A TWO-TERMINAL CONNECTOR AT THE OTHER END OF SAID BOX, FIRST AND SECOND CONDUCTIVE LEADS CONNECTING ONE COIL OF EACH BIFILAR PAIR OF SAID METAL BOX, THIRD AND FOURTH CONDUCTIVE LEADS CONNECTING THE OTHER COIL OF EACH BIFILAR PAIR OF CONDUCTIVE ARMS, EXTENDING PARALLEL TO THE WALLS OF SAID BOX AND CONNECTING SAID TERMINALS ON SAID BOX, AND TWO EXTENSION WIRES EXTENDING FROM EACH COIL OF SAID BIFILAR PAIR AT THE CENTER OF SAID BOBBIN TO DIFFERENT TERMINALS OF SAID TWO-TERMINAL CONNECTOR.
References Cited (Backward Citations)
US3195076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |