US4638844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window screen
Assignee: Individual
•
Filing: 1985-08-20
•
Granted: 1987-01-27
•
Expires: 2005-08-20
Abstract
Abstract A window screen is proposed which comprises a frame, a casing, a roller mounted in the casing, a cover sheet wound around the roller and having strips attached to its opposite side edges and held in position by rails mounted in a pair of vertical stiles. The rails are loosely mounted and urged by cushioning members toward the stiles.
Inventors
- 👤 Seizo Hayashiguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:45
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/58; E06B9/581; E06B9/52; E06B9/54; E06B9/582
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
127 words
A window screen comprising: a frame having a pair of vertical stiles; a casing provided at top of said frame; a roller rotatably mounted in said casing; a cover sheet wound around said roller with one end thereof secured thereto and having a bar secured to the other end thereof and having a fastener member attached to the side edges thereof over its entire length; a rail provided in each of said stiles so as to extend vertically and formed with a groove to hold said fastener member therein; and a bracket integral with said stiles for holding said rail, and cushioning members mounted between said bracket and said rail so as to press said rail toward said stile, said rails being loosely held in said bracket.
Claim 2
Dependent Claim
127 words
A window screen comprising: a frame having a pair of vertical stiles; a casing provided at top of said frame; a roller rotatably mounted in said casing; a cover sheet wound around said roller with one end thereof secured thereto and having a bar secured to the other end thereof and having a fastener member attached to the side edges thereof over its entire length; a rail provided in each of said stiles so as to extend vertically and formed with a groove to hold said fastener member therein; and a bracket integral with said stiles for holding said rail, and cushioning members mounted between said bracket and said rail so as to press said rail toward said stile, said rails being loosely held in said bracket.
Claim 3
Dependent Claim
19 words
The window screen as claimed in claim 1, wherein said fastener member is made of a soft high polymer.
Claim 4
Dependent Claim
15 words
The window screen as claimed in claim 1, wherein said cover sheet is a net.
Claim 5
Dependent Claim
14 words
The window screen as claimed in claim 1, wherein said cover sheet is non-ventilative.
References Cited (Backward Citations)
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Cited
US1425484A
Cited
US1882951A
Cited
US2543118A
Cited
US4220189A
Cited
US4458739A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-26 | 1990-07-28 | 1991-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-26 | 1994-07-28 | 1995-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-26 | 1998-07-28 | 1999-01-27 | $7700.00 | Window Closed / Lapsed |