Patent US5745048A successfully refreshed from Google Patents.
Patent US4625268A successfully refreshed from Google Patents.
US4625268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pleated material for a lamp shade
Assignee: HAMILTON Corp 1304 SOUTH INDIANA AVE CHICAGO ILL 60605 A CORP OF ILL
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Filing: 1985-03-12
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Granted: 1986-11-25
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Expires: 2005-03-12
Abstract
Abstract A quad fold pleated material is disclosed which has excellent obscuring function and an esthetically pleasing appearance that hides the shadows of supporting structure of a lamp shade or whatever else the material is draped around.
Inventors
- 👤 William J. Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:38
CPC Classifications
F; F21; F21V; F21V1/00; F21V1/02; F21V1/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24686
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
147 words
A quad fold pleated material with multiple pleats, each of which pleat having a crest and roots, comprising: a. a first root surface and a second root surface, each of which having a top and connected at a root of successive pleats; b. a first crest surface and a second crest surface, each of which connect at a crest of the material and at the top of a root surface, said connection being made at a point intermediate of the crest and root; c. said first root surface and second second root surface being further away from each other at the connection with the root than at the top; and d. having a first included angle between the connection of the first root surface and first crest surface greater than a second included angle between the connection of the second root surface with the second crest surface.
Claim 2
Dependent Claim
147 words
A quad fold pleated material with multiple pleats, each of which pleat having a crest and roots, comprising: a. a first root surface and a second root surface, each of which having a top and connected at a root of successive pleats; b. a first crest surface and a second crest surface, each of which connect at a crest of the material and at the top of a root surface, said connection being made at a point intermediate of the crest and root; c. said first root surface and second second root surface being further away from each other at the connection with the root than at the top; and d. having a first included angle between the connection of the first root surface and first crest surface greater than a second included angle between the connection of the second root surface with the second crest surface.
Claim 3
Dependent Claim
18 words
The quad fold pleated material of claim 1 further comprising means for connecting successive ends of the material.
Claim 4
Dependent Claim
56 words
The quad fold pleated material of claim 2 wherein the means for connecting successive ends comprises: a. one end of the material being cut at its crest; and b. the other end of the material being truncated at or below the top of a root surface so that it zips into place on the other end.
Claim 5
Dependent Claim
75 words
The means for connecting quad fold pleated material of claim 1 further comprising: a. apertures placed on the material so that the material having a top end and an apertures placed near such top end in the first root surface and the second root surface; b. a top ring attached through the apertures; and c. a rigid support structure attached to the material and adapted to be connected with a conventional lamp sleeve or socket.
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) | 1989-11-24 | 1990-05-26 | 1990-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-24 | 1994-05-26 | 1994-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-24 | 1998-05-26 | 1998-11-25 | $7700.00 | Window Closed / Lapsed |