US3222513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1962-08-06
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Granted: 1965-12-07
•
Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Feo Michael De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21S8/035; F21S9/00; F21S9/02; F21S9/022; F21V; F21V21/00; F21V21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE COMBINATION COMPRISING AN ALTERNATING CURRENT ELECTRIC SUPPLY; A DIRECT CURRENT ELECTRIC SUPPLY; A PARABOLOID SHAPED LIGHT REFLECTING SURFACE HAVING A FOCUS AND AN OPENING; AN ELECTRIC LIGHT BULB INSERTED THROUGH SAID OPENING BEING PIVOTALLY MOUNTED AND HAVING TWO POSITIONS: IN ONE POSITION PRODUCING LIGHT SUBSTANTIALLY IN SAID FOCUS, IN THE OTHER POSITION PRODUCING LIGHT OUT OF SAID FOCUS; AN ELECTRICAL SWITCH MECHANICALLY CONNECTED TO SAID BULB AND HAVING TWO POSITIONS, EACH CORRESPONDING TO, AND USED WITH, ONE OF SAID POSITIONS OF THE BULB; ELECTRICAL CONNECTING MEANS, CONNECTING SAID BULB THROUGH SAID SWITCH TO SAID DIRECT CURRENT SUPPLY WHEN SAID BULB IS IN SAID FOCUS AND CONNECTING SAID BULB TO SAID ALTERNATING CURRENT SUPPLY WHEN SAID BULB IS OUT OF SAID FOCUS; ACTUATING MEANS ADAPTED TO MOVE SAID BULB AND THE CONNECTED SWITCH FROM ONE OF SAID POSITIONS TO THE OTHER.
Claim 2
Dependent Claim
141 words
THE COMBINATION COMPRISING AN ALTERNATING CURRENT ELECTRIC SUPPLY; A DIRECT CURRENT ELECTRIC SUPPLY; A PARABOLOID SHAPED LIGHT REFLECTING SURFACE HAVING A FOCUS AND AN OPENING; AN ELECTRIC LIGHT BULB INSERTED THROUGH SAID OPENING BEING PIVOTALLY MOUNTED AND HAVING TWO POSITIONS: IN ONE POSITION PRODUCING LIGHT SUBSTANTIALLY IN SAID FOCUS, IN THE OTHER POSITION PRODUCING LIGHT OUT OF SAID FOCUS; AN ELECTRICAL SWITCH MECHANICALLY CONNECTED TO SAID BULB AND HAVING TWO POSITIONS, EACH CORRESPONDING TO, AND USED WITH, ONE OF SAID POSITIONS OF THE BULB; ELECTRICAL CONNECTING MEANS, CONNECTING SAID BULB THROUGH SAID SWITCH TO SAID DIRECT CURRENT SUPPLY WHEN SAID BULB IS IN SAID FOCUS AND CONNECTING SAID BULB TO SAID ALTERNATING CURRENT SUPPLY WHEN SAID BULB IS OUT OF SAID FOCUS; ACTUATING MEANS ADAPTED TO MOVE SAID BULB AND THE CONNECTED SWITCH FROM ONE OF SAID POSITIONS TO THE OTHER.
References Cited (Backward Citations)
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US1861752A
Cited
US2030620A
Cited
US1968361A
Cited
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Cited
US2268870A
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |