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Earth engaging cutter bit

Patent
US-4911503-A
Inventor

STIFFLER STEPHEN P (US)

BEACH WAYNE H (US)

Assignee
KENNAMETAL INC (US)
Country
United States
Dates
  • Priority:
    1988/07/20
  • Grant:
    1990/03/27
Description
This web page summarizes information in PubChem about patent US-4911503-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.

1 Abstract

A cutter bit for use in construction and/or excavation applications is provided having a hard wear resistant tip joined to a steel shank. The wear resistant tip is rotational symmetric about its longitudinal axis and has a rear end having a socket therein in which is bonded a steel protrusion on the forward end of the steel shank.

2 Full Text

3 Important Dates

3.1 Priority Date

1988/07/20

3.2 Filing Date

1988/07/20

3.3 Publication Date

1990/03/27

3.4 Grant Date

1990/03/27

4 Inventor

STIFFLER STEPHEN P (US)

BEACH WAYNE H (US)

5 Assignee

KENNAMETAL INC (US)

6 Country

United States

7 Linked Chemicals

7.1 PubChem Compounds

7.2 PubChem Substances

8 Patent Family

9 Classification

9.1 IPC

E21C35/18

E21C35/183 (inventive)

9.2 CPC

E21C35/1835 (inventive)

E21C35/1831 (inventive)

E21C35/1837 (inventive)

E21C35/183 (inventive, first)

10 Citations

11 Cited By

12 Similar Patents

13 Information Sources

  1. Google Patents
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    https://creativecommons.org/licenses/by/4.0/legalcode
  2. PubChem
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