US4124883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp reflectors
Assignee: Carello Lighting PLC
•
Filing: 1976-10-20
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Granted: 1978-11-07
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Expires: 1996-10-20
Abstract
Abstract A lamp reflector comprises a dished body having a reflective coating on an inner surface thereof, the dished body being formed of a cured, low profile polyester moulding composition containing glass fibre and a compatible, internal mould release agent in the form of a fatty acid ester.
Inventors
- 👤 John Lilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:00
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/30; F21S41/37; F21V; F21V7/00; F21V7/22; F21V7/24; F21V7/28; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/252
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
45 words
A lamp reflector comprising a dished body having a reflective coating on an inner surface thereof, said dished body being formed of a cured, low profile polyester moulding composition containing glass fibre and an internal mould release agent, said agent comprising a fatty acid ester.
Claim 2
Dependent Claim
45 words
A lamp reflector comprising a dished body having a reflective coating on an inner surface thereof, said dished body being formed of a cured, low profile polyester moulding composition containing glass fibre and an internal mould release agent, said agent comprising a fatty acid ester.
Claim 3
Dependent Claim
20 words
A reflector as claimed in claim 1 wherein said composition contains between 10% and 25% by weight of glass fibre.
Claim 4
Dependent Claim
19 words
A reflector as claimed in claim 1 wherein the polyester moulding composition is catalysed by an aliphatic peroxy compound.
Claim 5
Dependent Claim
16 words
A reflector as claimed in claim 3 wherein said aliphatic peroxy compound is tertiary butyl peroctoate.
Claim 6
Dependent Claim
13 words
A reflector as claimed in claim 1 wherein said reflective coating is aluminium.
Claim 7
Dependent Claim
35 words
A reflector as claimed in claim 1 wherein at least one layer of base lacquer is interposed between said body and the reflective coating, said base lacquer adhering to said body and said reflective coating.
Claim 8
Dependent Claim
28 words
A reflector as claimed in claim 6 wherein said base lacquer is selected from the group consisting of a polyester, an exoxy, an acrylic or an alkyd resin.
Claim 9
Dependent Claim
13 words
A motor vehicle headlamp including a lamp reflector as claimed in claim 1.
Claim 10
Dependent Claim
14 words
A motor vehicle fog lamp including a lamp reflector as claimed in claim 1.
References Cited (Backward Citations)
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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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |