US3188459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp holder
Assignee: Northrop Grumman Corp
•
Filing: 1962-11-02
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Granted: 1965-06-08
•
Expires: 1982-11-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Bridwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0075; F21V19/008
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
169 words
A HOLDER FOR THE SUPPORT AND TEMPERATURE CONTROL OF EACH END OF A TUBULAR LAMP HAVING AT EACH END THEREOF AND END SEAL AND TERMINAL WIRE, COMPRISING: (A) A BODY OF DIELECTRIC MATERIAL, (B) A SOCKET IN SAID BODY AND HAVING AN OPENING AT ONE END OF SAID BODY TO RECEIVE AND COMPLETELY ENCLOSE AT LEAST A MAJOR PORTION OF SAID END SEAL OF SAID LAMP, THE INSIDE DIMENSIONS OF SAID SOCKET BEING LARGER THAN SAID END SEAL TO PROVIDE A CLEARANCE THEREBETWEEN, (C) AN AIR SUPPLY PASSAGE HAVING AN OPENING IN SAID SOCKET ADJACENT TO SAID END SEAL, (D) A HOLLOW STUD TO RECEIVE AND RETAIN SAID TERMINAL WIRE AND MOUNTED IN SAID AIR SUPPLY PASSAGE TO DEFINE A CONDUIT TO DIRECT FORCED AIR INTO SAID SOCKET FOR CIRCULATION AROUND SAID END SEAL, (E) SCREW MEANS TO FASTEN SAID TERMINAL WIRE IN THE INTERIOR OF SAID HOLLOW STUD, (F) AND MEANS ADAPTING THE FREE END OF SAID STUD FOR CONNECTION WITH A SOURCE OF ELECTRICITY AND FORCED AIR.
References Cited (Backward Citations)
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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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |