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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
RITTER GMBH	86830 SCHWABMÜNCHEN

International Classification(s)

• A01G:HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, ....
• E01C:CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GR....

• 1992 Application Filing Year
• A01G Class
• 155 Applications Filed
• 45 Patents Issued To-Date
• 29.04 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Prestele, Eugen	Albert-Greiner-Strasse 73, D-8900 Augsburg/FRG, DE	9	125
# of filed Patents : 9 Total Citations : 125

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Patent Citation Ranking

• 19 Citation Count
• A01G Class

• 59.38 % this patent is cited more than
• 31 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

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

US Patent No: 5287649

Grid plate

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Abstract

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A grid plate is comprised of a base and vertical one piece side walls which form chambers open to the top, the bottom of each chamber being provided with a drainage hole and the bottom having projections on a plate rim which protrude beyond the rim of the grid plate and grip the bottom area of an adjacent grid plate, the plate rim of the grid plate intersecting at least every second rim-bordering chamber, the chambers forming additional chambers with side walls of adjacent grid plates and the side walls of a pair of grid plates only coming into contact along their vertical edges.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FPAY2005
• FEPP2001
• FPAY2001
• AS1998
• FPAY1997
• I1994
• STCF1994
• F1992
• PD1991

Date	Code	Event	Description
Aug 05, 2005	FPAY	FEE PAYMENT	year of fee payment: 12
Dec 03, 2001	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Aug 07, 2001	FPAY	FEE PAYMENT	year of fee payment: 8
Feb 25, 1998	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PRESTELE, EUGEN;REEL/FRAME:009046/0687 Owner name: RITTER GMBH, GERMANY Effective Date: Feb 25, 1998
Aug 21, 1997	FPAY	FEE PAYMENT	year of fee payment: 4
Feb 22, 1994	I	Issuance
Feb 09, 1994	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jun 05, 1992	F	Filing
Jun 07, 1991	PD	Priority Date