US3229085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light fixture
Assignee: North American Aviation Corp
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Filing: 1963-06-26
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Granted: 1966-01-11
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Expires: 1983-06-26
Abstract
No abstract record available.
Inventors
- 👤 James L Ankrom
- 👤 Ralph C Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:40
CPC Classifications
F; F21; F21V; F21V29/00; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
A LIGHT FIXTURE AND LAMP COMBINATION FOR USE IN A HIGH-TEMPERATURE ENVIRONMENT, AND COMPRISING: (A) DUCT MEANS, (B) LAMP RECEPTACLE MEANS CARRIED BY SAID DUCT MEANS, (C) A QUARTZ TUBE AND TUNGSTEN FILAMENT INCANDESCENT LAMP POSITIONED ADJACENT SAID DUCT MEANS AND COOPERATING WITH SAID RECEPTACLE MEANS, (D) NOZZLE MEANS CONNECTING WITH SAID DUCT MEANS AND ADAPTED TO DISCHARGE AIR FROM SAID DUCT MEANS IN THE DIRECTION OF SAID RECEPTACLE MEANS, (E) DEFLECTOR MEANS SEPARATING REGIONS WITHIN THE LIGHT FIXTURE AND LAMP COMBINATION WHICH RECEIVE AIR FROM SAID NOZZLE MEANS FROM REGIONS WITHIN SAID LIGHT FIXTURE AND LAMP COMBINATION WHICH SURROUND THE QUARTZ TUBE PORTION OF SAID INCANDESCENT LAMP, AND (F) A CLEAR HEAT-RESISTANT GLASS ENVELOPE SEPARATING SAID LAMP, SAID DEFLECTOR MEANS, AND SAID RECEPTACLE MEANS FROM THE HIGH-TEMPERATURE ENVIRONMENT.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |