US4539631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp shade and method
Assignee: Individual
•
Filing: 1984-07-02
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Granted: 1985-09-03
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Expires: 2004-07-02
Abstract
Abstract A lamp shade comprising a hollow seamless shell or foundation molded from thermoplastic material and to which a lamp spider is secured for supporting the shade with respect to a light bulb or lamp fixture. An inwardly projecting collar is molded integrally with the shell around an opening in the shell and holes are provided in the collar to receive the ends of arms of a lamp spider which are secured therein by fasteners. A method of covering a shade wherein yarn or thread is helically wound around the shade is also disclosed.
Inventors
- 👤 Gilbert R. Lieberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:36
CPC Classifications
F; F21; F21V; F21V1/00; Y; Y10; Y10S; Y10S362/00; Y10S362/806
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
83 words
A lamp shade comprising a hollow seamless shell or foundation molded from plastic material and having upper and lower openings and having support means removably secured thereto for supporting the shade with respect to a light bulb or lamp fixture, the upper opening having an inwardly projecting collar molded integrally therewith and extending therearound, and at least two holes provided in the collar; the shade support means having outwardly extending arms which are secured in respective holes in the collar by fastening means.
Claim 2
Dependent Claim
83 words
A lamp shade comprising a hollow seamless shell or foundation molded from plastic material and having upper and lower openings and having support means removably secured thereto for supporting the shade with respect to a light bulb or lamp fixture, the upper opening having an inwardly projecting collar molded integrally therewith and extending therearound, and at least two holes provided in the collar; the shade support means having outwardly extending arms which are secured in respective holes in the collar by fastening means.
Claim 3
Dependent Claim
72 words
A lamp shade according to claim 1, wherein the support means is a metal lamp spider having a center ring with outwardly extending arms, the outer ends of the arms being secured in respective holes provided in the collar and secured therein by said fastening means which are headed fasteners having hollow shanks which pass through the holes, the ends of the arms being secured within the hollow shanks of respective fasteners.
Claim 4
Dependent Claim
15 words
A shade according to claim 2, wherein the heads of the fasteners are smoothly rounded.
Claim 5
Dependent Claim
72 words
A shade according to claim 2, wherein the shank of each fastener is provided with an undercut portion of reduced section adjacent the head of the fastener and which is of a size approximating the size of the holes provided in the collar, the hollow shank of each fastener having opposed longitudinal slits to facilitate positioning of the fastener in a hole and reception of the end of an outwardly extending arm.
Claim 6
Dependent Claim
28 words
A shade according to claim 2, wherein downwardly projecting tabs are molded integrally with the collar, the holes for reception of the fasteners being formed in the tabs.
Claim 7
Dependent Claim
54 words
A shade according to claim 1, wherein inwardly directed projections having holes therein are molded integrally with the collar, the shade support means being a metal lamp spider or bulb clip with outwardly extending arms the ends of which are received in the holes in the projections and secured therein by said fastening means.
Claim 8
Dependent Claim
75 words
A shade according to claim 1, wherein the inner surface of the collar is provided with raised integrally molded threads to threadedly receive a ring molded of plastic material, the ring being formed with inwardly projecting integrally molded tabs having at least two holes therein, the shade support means being a metal lamp spider or bulb clip having outwardly extending arms the outer ends of which are secured in the respective holes in the tabs.
Claim 9
Dependent Claim
24 words
A shade according to claim 1, wherein at least the outer surface of the shell is covered with a fabric or like decorative material.
Claim 10
Dependent Claim
40 words
A shade according to claim 1, wherein the outer surface of the shell is provided with a covering consisting of yarn or like strand or filamentary material wound on the surface with material of adjacent windings being in contacting relationship.
Claim 11
Dependent Claim
20 words
A shade according to claim 9, wherein the wound strand or filamentary material is secured to the shell by adhesive.
Claim 12
Dependent Claim
24 words
A shade according to claim 9, having decorative trim strips provided on the outer surface of the shell around the upper and lower openings.
References Cited (Backward Citations)
US4410932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |