Patent US3289067A successfully refreshed from Google Patents.
US3289067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor sine wave inverter
Assignee: Honeywell Inc
•
Filing: 1963-09-23
•
Granted: 1966-11-29
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Balthasar H Pinckaers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:28
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
SINE WAVE INVERTER APPARTUS COMPRISING: RESONANT CIRCUIT MEANS, INCLUDING A NUMBER OF SERIALLY CONNECTED INDUCTANCE MEANS WOUND ON A COMMON MAGNETIC CORE; CURRENT AMPLIFYING MEANS; FURTHER INDUCTANCE MEANS WOUND ON SAID COMMON MAGNETIC CORE; A SOURCE OF POTENTIAL; SAID CURRENT AMPLIFYING MEANS CONNECTED INTERMEDIATE SAID RESONANT CIRCUIT MEANS AND SAID FURTHER INDUCTANCE MEANS; SAID SOURCE OF POTENTIAL CONNECTED INTERMEDIATE SAID FURTHER INDUCTANCE MEANS AND SAID RESONANT CIRCUIT MEANS; SAID CONNECTIONS MADE SUCH THAT CURRENT FROM THE OUTPUT OF SAID AMPLIFYING MEANS MUST FLOW THROUGH FURTHER INDUCTANCE MEANS IN A DIRECTION TO CREATE AN ADDITIVE MAGNETIC POTENTIAL IN SAID COMMON MAGNETIC CORE, THUS RESTORING MAGNETIC POTENTIAL LOST IN THE RESONATING OF SAID RESO-
Claim 2
Dependent Claim
112 words
SINE WAVE INVERTER APPARTUS COMPRISING: RESONANT CIRCUIT MEANS, INCLUDING A NUMBER OF SERIALLY CONNECTED INDUCTANCE MEANS WOUND ON A COMMON MAGNETIC CORE; CURRENT AMPLIFYING MEANS; FURTHER INDUCTANCE MEANS WOUND ON SAID COMMON MAGNETIC CORE; A SOURCE OF POTENTIAL; SAID CURRENT AMPLIFYING MEANS CONNECTED INTERMEDIATE SAID RESONANT CIRCUIT MEANS AND SAID FURTHER INDUCTANCE MEANS; SAID SOURCE OF POTENTIAL CONNECTED INTERMEDIATE SAID FURTHER INDUCTANCE MEANS AND SAID RESONANT CIRCUIT MEANS; SAID CONNECTIONS MADE SUCH THAT CURRENT FROM THE OUTPUT OF SAID AMPLIFYING MEANS MUST FLOW THROUGH FURTHER INDUCTANCE MEANS IN A DIRECTION TO CREATE AN ADDITIVE MAGNETIC POTENTIAL IN SAID COMMON MAGNETIC CORE, THUS RESTORING MAGNETIC POTENTIAL LOST IN THE RESONATING OF SAID RESO-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |