U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Air cell

Patent 5462816 Issued on October 31, 1995. Estimated Expiration Date: Icon_subject October 27, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Air cell Patent #: 5240785
Issued on: 08/31/1993
Inventor: Okamura, et al.

Inventors

Assignee

Application

No. 329880 filed on 10/27/1994

US Classes:

429/18, Plural cells having means to reduce ionic short circuit429/12, FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING429/27, Active material electrode-type cell or subcombination thereof429/28, Envelope cathode-type or subcombination thereof429/33, Electrolyte composition chemically specified429/34, Housing member, seal, spacer or fluid distributing or directing means429/72HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY)

Examiners

Primary: Niebling, John F.
Assistant: Bell, Bruce F.

Attorney, Agent or Firm

International Class

H01M 008/24

Foreign Application Priority Data

1993-10-29 JP

Abstract

An air cell having a single cell or a plurality of cells being aggregated is disclosed, that comprises a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode and composed of a water absorbing material that absorbs and holds an electrolytic solution, an electrolytic solution supply member protrusively disposed at a lower edge of the positive electrode and the negative electrode and adapted for supplying the electrolytic solution to the separator, a spacer for covering an outer surface of the positive electrode and the negative electrode and forming an air layer on the front surface thereof, and a cover member for covering surfaces of the electrolytic solution supply member, the cover member having a blank portion that is at least a minimum opening portion for supplying the electrolytic solution to the electrolytic solution supply member.

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