Granted Patent
Utility
US 6,568,641
· Confirmation No. 5934
ELECTRICALLY OPERATED RAILROAD SWITCH MACHINE
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2002-05-29 | TRNA |
Transmittal of New Application | 5 | View | |
| 2002-05-29 | A.PE |
Preliminary Amendment | 3 | View | |
| 2002-05-29 | SPEC |
Specification | 12 | View | |
| 2002-05-29 | CLM |
Claims | 4 | View | |
| 2002-05-29 | ABST |
Abstract | 1 | View | |
| 2002-05-29 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2002-05-29 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
Ray Hoyer
St. John, IN
Stephen R. Kuhn
Richton Park, IL
Attorneys & Agents of Record
Classification
USPC
246/257
B61L5/04
B61L5/107
Prosecution
- Examiner
- LE, MARK T
- Art Unit
- 3617
- Customer No.
- 22862
- Docket No.
- 7514-1149.2
- Confirmation No.
- 5934
Publication
- Pub. No.
- US20030025044A1
- Pub. Date
- 2003-02-06
Patent Term Adjustment
-4days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2004-04-09
PATENT SECURITY RELEASE
Recorded 2004-01-20
SECURITY INTEREST
Recorded 2003-12-09
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-10-22
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 6,568,641
- App. No.
- 10/156,927
- Filed
- 2002-05-29
- Granted
- 2003-05-27
- Pub. No.
- US20030025044A1
- Examiner
- LE, MARK T
- Art Unit
- 3617
- PTA
- -4 days
External Links