Universal pool cover having combination water drain and safety properties integral thereto
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 30, 1999
Grant Date -
N/A
app pub date -
Oct 28, 1997
filing date -
Oct 28, 1997
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Non-US Coverage
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Patent Longevity
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Forward Citations
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Abstract
A universal, buoyant, lightweight, thermoplastic cover for a swimming pool and the like. The cover may be any color or shape and is adapted to continuously drain water that may otherwise accumulate on the exterior surface of the cover through an integral, longitudinally extending, woven mesh-like water drain apparatus. The drain apparatus may be centrally disposed, or otherwise suitably positioned on the cover, and laterally extends through the cover. A method to make the swimming pool cover is also disclosed.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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MIDWEST CANVAS CORP | 4635 WEST LAKE STREET CHICAGO IL 60644 |
International Classification(s)

- 1997 Application Filing Year
- E04H Class
- 325 Applications Filed
- 109 Patents Issued To-Date
- 33.54 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Handwerker, Gary | Northfield, IL | 14 | 208 |
# of filed Patents : 14 Total Citations : 208 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 10 Citation Count
- E04H Class
- 2.56 % this patent is cited more than
- 26 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Jul 12, 2006 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jun 09, 2006 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jun 09, 2006 |
Jun 09, 2006 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Dec 28, 2005 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Nov 26, 2001 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jun 09, 1998 | I | Issuance | |
Sep 12, 1996 | F | Filing | |
Sep 15, 1995 | PD | Priority Date |

Matter Detail

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