Granted Patent
Utility
US 6,524,484
· Confirmation No. 5957
ACCESS VALVE DEVICES, THEIR USE IN SEPARATION APPARATUS, AND CORRESPONDING METHODS
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-11-09 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-11-09 | ABST |
Abstract | 1 | View | |
| 2001-11-09 | DRW |
Drawings-only black and white line drawings | 10 | View | |
| 2001-08-03 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-08-03 | A.PE |
Preliminary Amendment | 2 | View | |
| 2001-08-03 | SPEC |
Specification | 29 | View | |
| 2001-08-03 | CLM |
Claims | 5 | View | |
| 2001-08-03 | DRW |
Drawings-only black and white line drawings | 10 | View | |
| 2001-08-03 | OATH |
Oath or Declaration filed | 1 | View | |
| 2001-08-03 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
John Davis
Gloucestershire, UNITED KINGDOM
Martin John Hofmann
Gloucestershire, UNITED KINGDOM
Attorneys & Agents of Record
Classification
USPC
210/656
B01D15/206
B01D15/22
F16K1/446
G01N30/20
G01N30/56
G01N30/6004
G01N30/6017
G01N2030/027
G01N2030/565
Prosecution
- Examiner
- THERKORN, ERNEST G
- Art Unit
- 1723
- Docket No.
- 33541R534243
- Confirmation No.
- 5957
Foreign Priority
9419888.4
·
1994-10-03
·
UNITED KINGDOM
Publication
- Pub. No.
- US20020023881A1
- Pub. Date
- 2002-02-28
Patent Term Adjustment
-134days
Parent
is a Division of
→
App. 09/495,359
· US 6,277,283
Filed 2000-02-01
· Patented Case
Parent
is a Division of
→
App. 09/157,585
· US 6,090,279
Filed 1998-09-21
· Patented Case
Parent
is a Division of
→
App. 08/825,026
· US 5,902,485
Filed 1997-03-26
· Patented Case
Parent
PCT
is a Continuation of
→
PCT/GB1995/002338
Filed 1995-10-03
· Patented Case
Child
is a Continuation of
→
App. 10/746,143
Filed 2003-12-29
· Abandoned -- Incomplete Application (Pre-examination)
Child
is a Continuation of
→
App. 10/339,606
· US 6,719,899
Filed 2003-01-10
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
from
PHARMACIA FINE CHEMICALS AB,
PHARMACIA LKB BIOTECHNOLOGY AB,
PHARMACIA BIOTECH AB,
APBIOTECH AB,
AMERSHAM PHARMACIA BIOTECH AB,
AMERSHAM BIOSCIENCES AB
CHANGE OF NAME
Recorded 2006-02-21
CHANGE OF NAME
Recorded 2004-03-17
Monitor This Case
Get email alerts when status or documents change.
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 application's details
Quick Facts
- Patent No.
- US 6,524,484
- App. No.
- 09/920,748
- Filed
- 2001-08-03
- Granted
- 2003-02-25
- Pub. No.
- US20020023881A1
- Examiner
- THERKORN, ERNEST G
- Art Unit
- 1723
- PTA
- -134 days
External Links