US3356984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp mounting
Assignee: Duro Test Corp
•
Filing: 1965-01-12
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Granted: 1967-12-05
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Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Thorington Luke
- 👤 Donald G Trutner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:02
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ELECTRIC LAMP HAVING AN ENVELOPE AND A TWO PART BASE, SAID BASE COMPRISING A SHELL SECURED TO SAID ENVELOPE AND HAVING A MALE ABUTMENT MEMBER, A SEPARABLE THREADED SLEEVE SURROUNDING SAID SHELL, SAID SLEEVE HAVING AN OPENING AT THE BOTTOM THEREOF THROUGH WHICH AN ELECTRICAL CONTACT MEMBER OF THE LAMP PROTRUDES WHEN THE TWO PARTS ARE ASSEMBLED AND SAID SLEEVE HAVING A FEMALE ABUTMENT MEMBER ENGAGED BY SAID MALE ABUTMENT MEMBER WHEREBY SAID LAMP MAY BE THREADEDLY MOUNTED IN A SOCKET AND MAY BE DISENGAGED FROM THE SOCKET AND ENGAGED WITH THE SOCKET BY AXIAL MOVEMENT.
Claim 2
Dependent Claim
97 words
AN ELECTRIC LAMP HAVING AN ENVELOPE AND A TWO PART BASE, SAID BASE COMPRISING A SHELL SECURED TO SAID ENVELOPE AND HAVING A MALE ABUTMENT MEMBER, A SEPARABLE THREADED SLEEVE SURROUNDING SAID SHELL, SAID SLEEVE HAVING AN OPENING AT THE BOTTOM THEREOF THROUGH WHICH AN ELECTRICAL CONTACT MEMBER OF THE LAMP PROTRUDES WHEN THE TWO PARTS ARE ASSEMBLED AND SAID SLEEVE HAVING A FEMALE ABUTMENT MEMBER ENGAGED BY SAID MALE ABUTMENT MEMBER WHEREBY SAID LAMP MAY BE THREADEDLY MOUNTED IN A SOCKET AND MAY BE DISENGAGED FROM THE SOCKET AND ENGAGED WITH THE SOCKET BY AXIAL MOVEMENT.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |