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US3748458A
Expired / Lapsed
US
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Disposable wedge-type bulb lamp
Assignee: Truck Lite Co LLC
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Filing: 1971-10-22
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Granted: 1973-07-24
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Expires: 1991-10-22
Abstract
Abstract An unbased, wedge-type of lamp bulb is cemented to a reflector plate from which it projects in one direction into a sealed chamber formed in a lens cover to which the reflector plate is peripherally cemented. The base portion of the bulb projects into a socket of a holder within which the rim portion of the lens cover is releasably held.
Inventors
- 👤 C Morrison
- 👤 H Sage
- 👤 E Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:14
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2615
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
122 words
In combination, a base having a face portion formed with a recess and a socket portion formed within the recess, and a replaceable bulb assembly held by the base within the recess, said bulb assembly including a lens cover having a rim portion received within the recess in releasable engagement with the base, said base thereby frictionally gripping the rim portion to hold the bulb assembly within said recess, a reflector secured to the lens cover in spaced relation to said socket portion of the base while the lens cover is releasably held within the recess of the base, and a bulb fixed to the reflector within the lens cover with an end thereof projecting into the socket portion of the base.
Claim 2
Dependent Claim
122 words
In combination, a base having a face portion formed with a recess and a socket portion formed within the recess, and a replaceable bulb assembly held by the base within the recess, said bulb assembly including a lens cover having a rim portion received within the recess in releasable engagement with the base, said base thereby frictionally gripping the rim portion to hold the bulb assembly within said recess, a reflector secured to the lens cover in spaced relation to said socket portion of the base while the lens cover is releasably held within the recess of the base, and a bulb fixed to the reflector within the lens cover with an end thereof projecting into the socket portion of the base.
Claim 3
Dependent Claim
50 words
The combination of claim 1 wherein said bulb is of the unbased type having a light emitting portion, a filament disposed therewithin, a terminal portion received within the socket portion of the base and a pair of spaced terminals extending from the filament through the terminal portion of the bulb.
Claim 4
Dependent Claim
93 words
The combination of claim 1 wherein said base is made of a resiliently elastic material having a pair of anchor portions projecting from the face portion through which fasteners are adapted to extend, a pair of contact elements embedded in the elastic material having spaced socket formations receiving the bulb, one of the contact elements having a grounding portion extending into the anchor portion of the base and the other of the contact elements having a connector portion exposed between said anchor and socket portions of the base rearwardly of the face portion.
Claim 5
Dependent Claim
50 words
The combination of claim 3 wherein said bulb is of the wedge type having a light emitting portion, a filament disposed therewithin, a base portion received within the socket portion of the base and a pair of spaced terminals extending from the filament through the base portion of the bulb.
Claim 6
Dependent Claim
28 words
The combination of claim 3 wherein said reflector is cemented directly to the lens cover and the bulb to form a sealed chamber from which light is emitted.
Claim 7
Dependent Claim
52 words
The combination of claim 4 wherein said reflector is cemented directly to the bulb and the lens cover to form a sealed chamber enclosing said light emitting portion of the bulb within which the filament is disposed and defining said rim portion in surrounding relation to the base portion of the bulb.
Claim 8
Dependent Claim
84 words
In combination with a lamp holder base, a replaceable bulb assembly comprising a lens cover having a rim portion received within the base, a reflector, and an unbased type of bulb, said reflector being cemented directly to the bulb within the lens cover to form a sealed chamber, and said bulb having a light emitting portion enclosed within the chamber and a terminal portion projecting from the reflector into the base, said base frictionally gripping the rim portion to hold the bulb assembly therein.
Claim 9
Dependent Claim
84 words
In combination with a lamp holder base, a replaceable bulb assembly comprising a lens cover having a rim portion received within the base, a reflector, and an unbased type of bulb, said reflector being cemented directly to the bulb within the lens cover to form a sealed chamber, and said bulb having a light emitting portion enclosed within the chamber and a terminal portion projecting from the reflector into the base, said base frictionally gripping the rim portion to hold the bulb assembly therein.
Claim 10
Dependent Claim
52 words
The combination of claim 7 wherein said base is made of a resiliently elastic material, a pair of contact elements embedded in the elastic material having spaced socket formations receiving the bulb, one of the contact elements having a grounding portion and the other of the contact elements having a connector portion.
Claim 11
Dependent Claim
64 words
In combination with a lamp unit having a lens cover, a reflector and a bulb, a base made of a resiliently elastic material engaging the lens cover, a pair of contact elements embedded in the elastic material having spaced socket formations receiving the bulb, one of the contact elements having a grounding portion and the other of the contact elements having a connector portion.
Claim 12
Dependent Claim
64 words
In combination with a lamp unit having a lens cover, a reflector and a bulb, a base made of a resiliently elastic material engaging the lens cover, a pair of contact elements embedded in the elastic material having spaced socket formations receiving the bulb, one of the contact elements having a grounding portion and the other of the contact elements having a connector portion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |