US3348036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Examination light
Assignee: Sunbeam Lighting Co
•
Filing: 1965-10-15
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Granted: 1967-10-17
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Bodian Marcus
- 👤 Frederick J Wellhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:39
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21V7/06; F21W; F21W2131/00; F21W2131/20; F21W2131/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN EXAMINATION LIGHT COMPRISING A MOLDED SYNTHETIC RESIN BOXLIKE HOUSING HAVING A BACK WALL, TWO SIDE WALLS, TOP WALL, BOTTOM WALL, AND A FRONT OPENING DEFINED BY SAID TOP WALL, BOTOM WALL AND TWO SIDE WALLS, SAID HOUSING HAVING VENTS FOR AIR CIRCULTATION THERETHROUGH; A REMOVABLE FRONT CLOSURE HAVING AN OPTICAL OPENING FOR A LIGHT BEAM GENERATED BY A LAMP AND REFLECTOR MEANS ENCLOSED WITHIN SAID HOUSING; A LAMP-ENCLOSING METALLIC FRAME MOUNTED ON SAID SIDE WALLS WITHIN SAID HOUSING, SAID FRAME HAVING AIRCOOLING FINS DISPOSED ON ITS EXTERIOR SURFACE, SAID FINS EXTENDING INTO THE SPACE BETWEEN SAID FRAME AND SAID HOUSING;
Claim 2
Dependent Claim
101 words
AN EXAMINATION LIGHT COMPRISING A MOLDED SYNTHETIC RESIN BOXLIKE HOUSING HAVING A BACK WALL, TWO SIDE WALLS, TOP WALL, BOTTOM WALL, AND A FRONT OPENING DEFINED BY SAID TOP WALL, BOTOM WALL AND TWO SIDE WALLS, SAID HOUSING HAVING VENTS FOR AIR CIRCULTATION THERETHROUGH; A REMOVABLE FRONT CLOSURE HAVING AN OPTICAL OPENING FOR A LIGHT BEAM GENERATED BY A LAMP AND REFLECTOR MEANS ENCLOSED WITHIN SAID HOUSING; A LAMP-ENCLOSING METALLIC FRAME MOUNTED ON SAID SIDE WALLS WITHIN SAID HOUSING, SAID FRAME HAVING AIRCOOLING FINS DISPOSED ON ITS EXTERIOR SURFACE, SAID FINS EXTENDING INTO THE SPACE BETWEEN SAID FRAME AND SAID HOUSING;
References Cited (Backward Citations)
DE388781C
Cited
GB191313311A
Cited
FR571614A
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US2494058A
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GB931905A
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US3112076A
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DE1181058B
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US3119567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |