Granted Patent
Utility
US 6,773,224
· Confirmation No. 8317
CONTROL METHOD OF PLURAL COMPRESSORS AND COMPRESSOR SYSTEM
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-06-14 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2004-06-14 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2004-04-28 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-03-20 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-03-20 | SPEC |
Specification | 19 | View | |
| 2002-03-20 | CLM |
Claims | 3 | View | |
| 2002-03-20 | ABST |
Abstract | 1 | View | |
| 2002-03-20 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2002-03-20 | OATH |
Oath or Declaration filed | 5 | View |
Inventors
Toshio Itou
Tsuchiura, JAPAN
Kazuo Takeda
Chiyoda, JAPAN
Attorneys & Agents of Record
Classification
USPC
415/1
F04D27/0207
F01D17/04
F01D17/08
Prosecution
- Examiner
- KERSHTEYN, IGOR
- Art Unit
- 3745
- Docket No.
- 381NT/51000
- Confirmation No.
- 8317
Foreign Priority
2001-282573
·
2001-09-18
·
JAPAN
Publication
- Pub. No.
- US20030053906A1
- Pub. Date
- 2003-03-20
Patent Term Adjustment
-119days
No related applications found.
from
HITACHI, LTD.
CHANGE OF NAME
Recorded 2017-02-01
from
HITACHI LTD.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-03-05
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-03-20
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Quick Facts
- Patent No.
- US 6,773,224
- App. No.
- 10/101,312
- Filed
- 2002-03-20
- Granted
- 2004-08-10
- Pub. No.
- US20030053906A1
- Examiner
- KERSHTEYN, IGOR
- Art Unit
- 3745
- PTA
- -119 days
External Links