Patent US4033655A successfully refreshed from Google Patents.
US4033655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Groundable lamp receptacle
Assignee: Individual
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Filing: 1976-08-30
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Granted: 1977-07-05
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Expires: 1996-08-30
Abstract
Abstract An improved metallic lamp socket enclosure of the cap-and-shell type for incandescent lamps is disclosed. According to the invention, the cap portion of the unit is provided with integral means for attaching a ground wire for safety purposes. The invention may be applied to units as they are manufactured or to previously manufactured units. A tool for forming the grounding means, and for effecting the attachment of a ground wire thereto, is also described.
Inventors
- 👤 William Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:29
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
77 words
An improved lamp receptacle of the type wherein a thin metallic shell and base substantially surround a socket for receiving an end of a lamp, the base being provided with a flange for releasible engagement with the shell and a domed cap terminating in a central hub attached to the flange, the improvement comprising a crimpable inwardly deformed connector within the cap for receiving a ground wire, the connector being formed from a part of the cap.
Claim 2
Dependent Claim
77 words
An improved lamp receptacle of the type wherein a thin metallic shell and base substantially surround a socket for receiving an end of a lamp, the base being provided with a flange for releasible engagement with the shell and a domed cap terminating in a central hub attached to the flange, the improvement comprising a crimpable inwardly deformed connector within the cap for receiving a ground wire, the connector being formed from a part of the cap.
Claim 3
Dependent Claim
55 words
The lamp receptacle of claim 1 wherein the connector is an elongated strip of metal formed from the cap by providing a pair of generally parallel slits in the cap and deforming inwardly the metal strip between the slits to produce an open loop within the interior of the cap to receive the ground wire.
Claim 4
Dependent Claim
35 words
The lamp receptacle of claim 2 wherein the strip of metal is about 1/4 in. long and about 1/18 in. wide, and the midpoint of the strip is deformed about 1/16 in. within the cap.
Claim 5
Dependent Claim
27 words
The lamp receptacle of claim 2 wherein the strip of metal is oriented so that the long dimension thereof extends in a radial direction from the hub.
Claim 6
Dependent Claim
24 words
The lamp receptacle of claim 2 wherein the strip of metal is oriented so that the long dimension thereof extends circumferentially around the cap.
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) | 1980-07-04 | 1981-01-03 | 1981-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-04 | 1985-01-03 | 1985-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-04 | 1989-01-03 | 1989-07-05 | $7700.00 | Window Closed / Lapsed |