IP Library › Granted Patent US 4,408,622
Granted Patent Utility
US 4,408,622 · App. 06/258,123

Fingernail extension

Inventors: Carl H. Meyerhoefer, Carl E. Meyerhoefer
Patented Case View Patent ↗
Granted: Oct 11, 1983 Filed: Apr 27, 1981
Inventors
Carl H. Meyerhoefer
Carl E. Meyerhoefer
Assignee (at issue)
Revlon

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,408,622
App. No.
06/258,123
Filed
1981-04-27
Granted
1983-10-11
Kind
A