US3275814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Examination light
Assignee: Individual
•
Filing: 1963-08-08
•
Granted: 1966-09-27
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald K Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:27
CPC Classifications
F; F21; F21L; F21L14/00; F21L14/02; F21V; F21V17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A LIGHTING DEVICE THE IMPROVEMNET COMPRISING: A TWO-PART LONGITUDINALLY SPLIT SLEEVE, EACH OF SAID PARTS HAVING AN INTEGRALLY FORMED CIRCULAR LAMP HOUSING AT ONE END, THE OTHER END OF SAID SPLIT SLEEVE DEFINING A CONTINUOUS HELICAL THREAD WHEN THE TWO PARTS THEREOF ARE PLACED IN MATED RELATIONSHIP; A SLEEVE MEMBER FOR RECEIVING SAID SPLIT SLEEVE THEREIN; AND A THREADED CAP MATABLE WITH THE THREADED ENDS OF SAID SPLIT SLEEVE.
Claim 2
Dependent Claim
70 words
IN A LIGHTING DEVICE THE IMPROVEMNET COMPRISING: A TWO-PART LONGITUDINALLY SPLIT SLEEVE, EACH OF SAID PARTS HAVING AN INTEGRALLY FORMED CIRCULAR LAMP HOUSING AT ONE END, THE OTHER END OF SAID SPLIT SLEEVE DEFINING A CONTINUOUS HELICAL THREAD WHEN THE TWO PARTS THEREOF ARE PLACED IN MATED RELATIONSHIP; A SLEEVE MEMBER FOR RECEIVING SAID SPLIT SLEEVE THEREIN; AND A THREADED CAP MATABLE WITH THE THREADED ENDS OF SAID SPLIT SLEEVE.
References Cited (Backward Citations)
US2113211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |