US3146954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductively energized unit
Assignee: STRONG ELECTRIC CORP
•
Filing: 1960-10-03
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Granted: 1964-09-01
•
Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Hochstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:34
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; B64F1/205; F; F21; F21V; F21V23/00; F21V23/02; F21V25/00; F21V25/02; F21V25/04; F21V31/00; F21V31/04; H; H01; H01F; H01F27/00; H01F27/40; H01F38/00; H01F38/14; H02; H02J; H02J50/00; H02J50/005; H02J50/10; H05; H05B; H05B39/00; F21W; F21W2111/00; F21W2111/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
ILLUMINATING APPARATUS COMPRISING IN COMBINATION, A HOUSING PROVIDED WITH A LIGHT TRANSMITTING OPENING, A TRANSFORMER IN SAID HOUSING INCLUDING A REMOVABLE UNIT, SAID REMOVABLE UNIT INCLUDING A SECONDARY COIL, A PRIMARY COIL DISPOSED IN SAID HOUSING, A U-SHAPED CORE SECTION FOR ONE OF SAID COILS, AN ELONGATED CORE SECTION FOR THE OTHER OF SAID COILS, SAID SECONDARY COIL BEING IN INDUCTIVE RELATION WITH SAID PRIMARY COIL, THE RESPECTIVE ENDS OF THE CORE SECTIONS BEING CONVERGINGLY ARRANGED AND IN DIRECT CONTACT TO PROVIDE A SUBSTANTIALLY CONTINUOUS METALLIC PATH FOR ELECTROMOTIVE FORCES, AN ELECTRICALLY ENERGIZABLE LAMP MOUNTED BY THE REMOVABLE UNIT, A NONMETALLIC WATERPROOF SEALING MATERIAL EMBRACING THE PRIMARY COIL AND ITS CORE SECTION, CONNECTIONS BETWEEN SAID SECONDARY COIL AND SAID LAMP, WHEREBY SAID LAMP IS INDUCTIVELY ENERGIZED UPON CURRENT FLOW THROUGH THE PRIMARY COIL TO PROJECT LIGHT THROUGH SAID LIGHT TRANSMITTING OPENING, AND A NONMETALLIC WATERPROOF SEALING MATERIAL EMBRACING THE SECONDARY COIL AND SAID CONNECTIONS.
Claim 2
Dependent Claim
154 words
ILLUMINATING APPARATUS COMPRISING IN COMBINATION, A HOUSING PROVIDED WITH A LIGHT TRANSMITTING OPENING, A TRANSFORMER IN SAID HOUSING INCLUDING A REMOVABLE UNIT, SAID REMOVABLE UNIT INCLUDING A SECONDARY COIL, A PRIMARY COIL DISPOSED IN SAID HOUSING, A U-SHAPED CORE SECTION FOR ONE OF SAID COILS, AN ELONGATED CORE SECTION FOR THE OTHER OF SAID COILS, SAID SECONDARY COIL BEING IN INDUCTIVE RELATION WITH SAID PRIMARY COIL, THE RESPECTIVE ENDS OF THE CORE SECTIONS BEING CONVERGINGLY ARRANGED AND IN DIRECT CONTACT TO PROVIDE A SUBSTANTIALLY CONTINUOUS METALLIC PATH FOR ELECTROMOTIVE FORCES, AN ELECTRICALLY ENERGIZABLE LAMP MOUNTED BY THE REMOVABLE UNIT, A NONMETALLIC WATERPROOF SEALING MATERIAL EMBRACING THE PRIMARY COIL AND ITS CORE SECTION, CONNECTIONS BETWEEN SAID SECONDARY COIL AND SAID LAMP, WHEREBY SAID LAMP IS INDUCTIVELY ENERGIZED UPON CURRENT FLOW THROUGH THE PRIMARY COIL TO PROJECT LIGHT THROUGH SAID LIGHT TRANSMITTING OPENING, AND A NONMETALLIC WATERPROOF SEALING MATERIAL EMBRACING THE SECONDARY COIL AND SAID CONNECTIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |