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High Efficiency Step-Structured Twist Drill - EP3305447B1

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EP3305447

SHANGHAI TEC SPIRAL ENTERPRISES
Application Number
EP16889695A
Filing Date
Feb 14, 2016
Status
Revoked
Aug 15, 2024
Grant Date
Mar 29, 2023
External Links
Slate, Register, Google Patents

Bibliography

The patent EP3305447B1 was granted to Shanghai TEC Spiral Enterprises on Mar 29, 2023 following the initial filing on Feb 14, 2016 under the application number EP16889695A . The current legal status of the patent is Revoked.

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Patent Oppositions (3)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

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PTG PRAZISIONS TECHNIK HANDELSGESELLSCHAFTDec 29, 2023ADMISSIBLE
STANLEY BLACK & DECKERDec 29, 2023ADMISSIBLE
RUKO PRAZISIONSWERKZEUGEJun 5, 2023ADMISSIBLE

Dossier Documents

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