US3112890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp fixture
Assignee: Individual
•
Filing: 1961-05-16
•
Granted: 1963-12-03
•
Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Charles D Snelling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:53
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/06; F21; F21V; F21V29/00; F21V29/50; F21V29/70; F21V29/74; F21V29/76; F28D15/0266; F21W; F21W2131/00; F21W2131/10; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A VAPOR LAMP FIXTURE COMPRISING A HOUSING AND MEANS ASSOCIATED THEREWITH FOR RECEIVING A VAPOR LAMP THE COMBINATION COMPRISING, AN EVAPORATOR MOUNTED WITHIN SAID HOUSING HAVING A SURFACE PORTION ADAPTED TO MAKE HEAT CONDUCTIVE CONTACT WITH A SURFACE PORTION OF A VAPOR LAMP, A CONDENSER MOUNTED ON THE OUTSIDE OF SAID HOUSING IN CONTACT WITH THE AMBIENT ATMOSPHERE AND IN COOPERABLE AND GRAVITY-FEEDING RELATIONSHIP WITH SAID EVAPORATOR, A VAPORIZABLE FLUID IN SAID CONDENSER, A FLUID-CONDUCTING MEANS COUPLING THE CONDENSER TO THE EVAPORATOR, AND A THERMOSTATICALLY OPERABLE VALVE ASSOCIATED WITH FLUID-CONDUCTING MEANS ADAPTED TO CONTROL THE FLOW OF FLUID FROM SAID CONDENSER TO SAID EVAPORATOR IN ACCORDANCE WITH THE TEMPERATURE NEAR THE SURFACE PORTION OF THE LAMP.
Claim 2
Dependent Claim
117 words
IN A VAPOR LAMP FIXTURE COMPRISING A HOUSING AND MEANS ASSOCIATED THEREWITH FOR RECEIVING A VAPOR LAMP THE COMBINATION COMPRISING, AN EVAPORATOR MOUNTED WITHIN SAID HOUSING HAVING A SURFACE PORTION ADAPTED TO MAKE HEAT CONDUCTIVE CONTACT WITH A SURFACE PORTION OF A VAPOR LAMP, A CONDENSER MOUNTED ON THE OUTSIDE OF SAID HOUSING IN CONTACT WITH THE AMBIENT ATMOSPHERE AND IN COOPERABLE AND GRAVITY-FEEDING RELATIONSHIP WITH SAID EVAPORATOR, A VAPORIZABLE FLUID IN SAID CONDENSER, A FLUID-CONDUCTING MEANS COUPLING THE CONDENSER TO THE EVAPORATOR, AND A THERMOSTATICALLY OPERABLE VALVE ASSOCIATED WITH FLUID-CONDUCTING MEANS ADAPTED TO CONTROL THE FLOW OF FLUID FROM SAID CONDENSER TO SAID EVAPORATOR IN ACCORDANCE WITH THE TEMPERATURE NEAR THE SURFACE PORTION OF THE LAMP.
References Cited (Backward Citations)
US2044609A
Cited
US2226797A
Cited
US2882695A
Cited
US2958021A
Cited
US2932753A
Cited
US3035419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |