Cathode block having a slot geometry

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11339489
APP PUB NO 20190301033A1
SERIAL NO

16307586

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Disclosed is a cathode block having a slot geometry, said carbon-based cathode block for an electrolysis cell for the production of aluminium being provided with at least one slot for accommodating at least one cathode bar, said at least one slot having at least one cavity, at least some sections of which extend in the longitudinal direction of the slot and which includes at least one undercut.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TOKAI COBEX GMBH65189 WIESBADEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pfeffer, Markus Meitingen, DE 5 0
Pfefferer, Florian Meitingen, DE 2 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Nov 24, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 24, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 24, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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