US3283174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase comparison means
Assignee: Allis Chalmers Corp
•
Filing: 1963-12-18
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Granted: 1966-11-01
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Baude John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:54
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/26; G; G01; G01R; G01R25/00; H03K5/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ELECTRICAL CIRCUIT COMPRISING FIRST AND SECOND SOURCES OF ELECTRICAL ENERGY OF ALTERNATING POLARITIES; A THIRD SOURCE OF ELECTRICAL ENERGY; A LOAD CONNECTED TO THE THIRD SOURCE; AND MEANS CONNECTED TO RECEIVE THE ELECTRICAL ENERGY FROM THE FIRST AND SECOND SOURCES AND CONNECTED BETWEEN THE LOAD AND THIRD SOURCE FOR CONTROLLING THE FLOW
Claim 2
Dependent Claim
53 words
AN ELECTRICAL CIRCUIT COMPRISING FIRST AND SECOND SOURCES OF ELECTRICAL ENERGY OF ALTERNATING POLARITIES; A THIRD SOURCE OF ELECTRICAL ENERGY; A LOAD CONNECTED TO THE THIRD SOURCE; AND MEANS CONNECTED TO RECEIVE THE ELECTRICAL ENERGY FROM THE FIRST AND SECOND SOURCES AND CONNECTED BETWEEN THE LOAD AND THIRD SOURCE FOR CONTROLLING THE FLOW
References Cited (Backward Citations)
CA592233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |