Family

Loading Family data...

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

Patent Owner(s)

Patent Owner	Address
HP CHEMICALS INC A COMPANY OF MISSOURI	4221 FOREST PARK BLVD ST LOUIS MO 63108

International Classification(s)

• Non-US Classification not provided for expired patents

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Meyer, Danny D	St. Louis County, MO	7	297
Shalon, Tadmor	St. Louis County, MO	66	3480
Shalon, Yehuda	St. Louis County, MO	12	298

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• Citation Ranking not provided for expired patents

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

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: D285290

Modular preparative high pressure liquid chromatography column

---

 

Legal Events