07/855,222 | I69.12-0109:

NEGATIVE PRESSURE AIR BEARING SLIDER HAVING ISOLATION CHANNELS WITH EDGE STEP

Public view
Application #

07/855,222

Confirmation #

3720

Attorney Docket #

I69.12-0109

Patent #

5,218,494open_in_new
Download PDFdownload  Textdownload Issued - 06/08/1993

Filing or 371 (c) date

03/20/1992

Status

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 07/06/2005

Application data

Application type

Utility

Examiner

CRAIG A RENNER

Group art unit

2512

Class/subclass

360/103.000

AIA (first inventor to file)

No

Entity status

Regular Undiscounted

Earliest publication #

-

Earliest publication date

-

Assignee for publication
-
Confirmation #
    3720
Intl. registration # (Hague)

-

Intl. registration publication date

-

Correspondence address
- KINNEY AND LANGE
SUITE 1500
625 FOURTH AVENUE SOUTH
MINNEAPOLISMN 
UNITED STATES
Inventors
  • ROBERT E. CHAPIN
    BURNSVILLE, MINNESOTA (US)
  • RICHARD A. STROM
    EAGAN, MINNESOTA (US)
Applicants