Patent US3342519A successfully refreshed from Google Patents.
US3342519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent tube changing device
Assignee: Individual
•
Filing: 1965-12-27
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Granted: 1967-09-19
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Joe B Hunt
- 👤 Nina E Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:53
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/003; H01J9/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DEVICE FOR CHANGING FLOURSCENT TUBES AND THE LIKE COMRPISING A GENERALLY SEMICYLINDRICAL HEAD HAVING INTERIOR SURFACE MEANS OF THE SAME SIZE AS THE EXTERIOR PERIPHERY OF A FLUORESCENT TUBE ARRANGED TO BE ENGAGED THEREWITH IN RESPONSE TO TRANSVERSE MOVEMENT OF SAID HEAD TOWARD THE TUBE, SAID INTERIOR SURFACE MEANS HAVING A TACKY RESINOUS MATERIAL THEREON CAPABLE OF STICKING TO THE EXTERIOR PERIPHERY OF THE TUBE WHEN CONTACTED THEREWITH SO AS TO PREVENT SLIDING MOVEMENT OF SAID INTERIOR SURFACE MEANS WITH RESPECT TO THE EXTERIOR PERIPHERY OF THE TUBE BUT TO PERMIT READY DISENGAGEMENT OF SAID INTERIOR SURFACE MEANS FROM THE EXTERIOR PERIPHERY OF THE TUBE IN RESPONSE TO TRANSVERSE MOVEMENT OF SAID HEAD
Claim 2
Independent Claim
114 words
A DEVICE FOR CHANGING FLOURSCENT TUBES AND THE LIKE COMRPISING A GENERALLY SEMICYLINDRICAL HEAD HAVING INTERIOR SURFACE MEANS OF THE SAME SIZE AS THE EXTERIOR PERIPHERY OF A FLUORESCENT TUBE ARRANGED TO BE ENGAGED THEREWITH IN RESPONSE TO TRANSVERSE MOVEMENT OF SAID HEAD TOWARD THE TUBE, SAID INTERIOR SURFACE MEANS HAVING A TACKY RESINOUS MATERIAL THEREON CAPABLE OF STICKING TO THE EXTERIOR PERIPHERY OF THE TUBE WHEN CONTACTED THEREWITH SO AS TO PREVENT SLIDING MOVEMENT OF SAID INTERIOR SURFACE MEANS WITH RESPECT TO THE EXTERIOR PERIPHERY OF THE TUBE BUT TO PERMIT READY DISENGAGEMENT OF SAID INTERIOR SURFACE MEANS FROM THE EXTERIOR PERIPHERY OF THE TUBE IN RESPONSE TO TRANSVERSE MOVEMENT OF SAID HEAD
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |