Patent Application
Utility
PCT National Stage
App. No. 09/743,222
· Confirmation No. 7316
INVERTED DARKFIELD CONTRAST MICROSCOPE AND METHOD
Inventor:
Timothy M. Richardson
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
View Patent ↗
Inventors
Timothy M. Richardson
Ontario, CANADA
Attorneys & Agents of Record
Classification
USPC
359/387
G02B21/24
G02B21/0088
G02B21/02
G02B21/10
G02B21/362
G02B21/365
G02B27/0018
Prosecution
- Examiner
- NGUYEN, THONG Q
- Art Unit
- 2872
- Customer No.
- 22907
- Docket No.
- H310452/PCT
- Confirmation No.
- 7316
Foreign Priority
2243090
·
1998-07-10
·
CANADA
Patent Term Adjustment
0days
Parent
PCT
is a National Stage Entry of
→
PCT/CA1999/000626
Filed 1999-07-12
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 10/736,751
· US 7,085,044
Filed 2003-12-17
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-11-08
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-11-04
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-12
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Quick Facts
- App. No.
- 09/743,222
- Filed
- 2001-04-11
- Granted
- 2004-03-09
- Examiner
- NGUYEN, THONG Q
- Art Unit
- 2872
- PTA
- 0 days
External Links