US3781768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lampholder
Assignee: Cinch Connectors Ltd
•
Filing: 1972-06-30
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Granted: 1973-12-25
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Expires: 1992-06-30
Abstract
Abstract A lampholder for capless or wedge base type lamps copmrises a body of resilient or semi-resilient plastics shaped to provide a first recess for accommodating the glass envelope of a lamp and a second recess for accommodating the base thereof, both said recesses opening on to one side of the holder to enable the lamp to be inserted by a lateral movement.
Inventors
- 👤 J Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:45
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/09; Y; Y10; Y10S; Y10S439/00; Y10S439/918
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
170 words
An assembly comprising a resilient plastic lamp-holder and a wedge base lamp, said lamp having a filament encasing envelope, a rectangularly shaped base and leads connected to the filament disposed on opposite side faces of said base, said holder including a base, a side wall extending from one edge of said base, said side wall having a rib disposed thereon, an arm extending from another edge of said base, said arm being disposed opposite said rib, and a bifurcated end portion joined to said base and providing laterally spaced parts defining a lamp base receiving slot, each of said spaced parts having a slot formed thErein and each of said last mentioned slots having a resilient contact disposed therein, said lamp envelope being disposed in said holder and releasably gripped by said rib and said resilient arm and said lamp base being disposed in said slot defined by said parts of said bifurcated end portion such that each of said contacts is in engagement with one of said filament leads.
Claim 2
Dependent Claim
170 words
An assembly comprising a resilient plastic lamp-holder and a wedge base lamp, said lamp having a filament encasing envelope, a rectangularly shaped base and leads connected to the filament disposed on opposite side faces of said base, said holder including a base, a side wall extending from one edge of said base, said side wall having a rib disposed thereon, an arm extending from another edge of said base, said arm being disposed opposite said rib, and a bifurcated end portion joined to said base and providing laterally spaced parts defining a lamp base receiving slot, each of said spaced parts having a slot formed thErein and each of said last mentioned slots having a resilient contact disposed therein, said lamp envelope being disposed in said holder and releasably gripped by said rib and said resilient arm and said lamp base being disposed in said slot defined by said parts of said bifurcated end portion such that each of said contacts is in engagement with one of said filament leads.
Claim 3
Dependent Claim
31 words
An assembly according to claim 1 wherein the opposed facing surfaces of said rib and said resilient arm are concave to provide cooperating recesses in which said envelope is releasably seated.
Claim 4
Dependent Claim
27 words
An assembly according to claim 1 wherein said holder includes integral fastening means for releasably seating said holder in an opening in a support for said assembly.
References Cited (Backward Citations)
US24393A
Cited
US1985459A
Cited
US2115358A
Cited
FR940669A
Cited
US2668933A
Cited
US3016727A
Cited
US3339172A
Cited
US3335387A
Cited
US3354423A
Cited
US3533050A
Cited
US3406375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |