Patent US3234543A successfully refreshed from Google Patents.
US3234543A
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Carrier current transmitter unit for electrically powered devices
Assignee: CLEVELAND ELECTRIC ILLUMINATIN
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Filing: 1964-01-13
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Granted: 1966-02-08
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Expires: 1984-01-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Thompson
- 👤 Clement T Loshing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; Y; Y02; Y02B; Y02B70/00; Y02B70/30; Y02E; Y02E60/00; Y04; Y04S; Y04S20/00; Y04S20/20; Y04S20/242; Y04S40/00; Y04S40/12; Y04S40/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
FOR USE IN A SYSTEM RECORDING AT A CENTRAL STATION DATE RESPECTING OPERATION OF ELECTRICALLY POWERED DEVICES, A TRANSMITTER UNIT ADAPTED IN INCONSPICUOUS PLUG-IN INSTALLATION AT AN ELECTRICAL ENERGY SUPPLY OUTLET AND IN TURN TO RECEIVE THE POWER CORD PLUG OF ONE OF SAID DEVICES; SAID UNIT INCLUDING PLUG MEANS ADAPTED TO SAID OUTLET AND RECEPTACLE MEANS FOR THE POWER CORD PLUG, THE TWO SAID MEANS BEING CONNECTED BY CONDUCTORS FOR PASSAGE OF POWER TO THE DEVICE; A CRYSTAL CONTROLLED OSCILLATOR CIRCUIT PRO-
Claim 2
Dependent Claim
83 words
FOR USE IN A SYSTEM RECORDING AT A CENTRAL STATION DATE RESPECTING OPERATION OF ELECTRICALLY POWERED DEVICES, A TRANSMITTER UNIT ADAPTED IN INCONSPICUOUS PLUG-IN INSTALLATION AT AN ELECTRICAL ENERGY SUPPLY OUTLET AND IN TURN TO RECEIVE THE POWER CORD PLUG OF ONE OF SAID DEVICES; SAID UNIT INCLUDING PLUG MEANS ADAPTED TO SAID OUTLET AND RECEPTACLE MEANS FOR THE POWER CORD PLUG, THE TWO SAID MEANS BEING CONNECTED BY CONDUCTORS FOR PASSAGE OF POWER TO THE DEVICE; A CRYSTAL CONTROLLED OSCILLATOR CIRCUIT PRO-
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |