Granted Patent
Utility
US 4,583,922 · App. 06/684,089
Swash plate type compressor improved with elongated and tortuous input and output passage systems
Inventors:
Takeo Iijima, Mototaka Shitara, Seiji Sumikawa, Susumu Saito
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Dec 20, 1984
Inventors
Takeo Iijima
Mototaka Shitara
Seiji Sumikawa
Susumu Saito
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.