Patent Application
Provisional
App. No. 60/566,628
· Confirmation No. 7635
Column block system
Provisional Application Expired
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-04-29 | TRNA |
Transmittal of New Application | 4 | View | |
| 2004-04-29 | SPEC |
Specification | 13 | View | |
| 2004-04-29 | CLM |
Claims | 7 | View | |
| 2004-04-29 | ABST |
Abstract | 1 | View | |
| 2004-04-29 | DRW |
Drawings-only black and white line drawings | 16 | View | |
| 2004-04-29 | OATH |
Oath or Declaration filed | 3 | View | |
| 2004-04-29 | WFEE |
Fee Worksheet (SB06) | 1 | View |
Inventors
Robert A. MacDonald
Plymouth, MN
William B. Dawson
Medina, MN
Attorneys & Agents of Record
Prosecution
- Customer No.
- 9561
- Docket No.
- KEY1033P
- Confirmation No.
- 7635
Child
Claims priority from a provisional application
→
App. 12/623,907
· US 8,464,491
Filed 2009-11-23
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2005/014675
Filed 2005-04-28
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
Claims priority from a provisional application
→
App. 11/117,638
· US 7,641,178
Filed 2005-04-28
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
from
ALLIANCE CONSTRUCTION PRODUCTS INC.,
ARMORTEC, LLC,
CDS TECHNOLOGIES, INC.,
CONTECH BRIDGE SOLUTIONS INC.,
CONTECH CONSTRUCTION PRODUCTS, INC.,
CONTECH EARCH STABILIZATION SOLUTIONS INC.,
CONTECH STORMWATER SOLUTIONS INC.,
CONTECH TECHNOLOGIES, LLC,
CONTECH TRUCKING & LOGISTICS, LLC,
KEYSTONE RETAINING WALL SYSTEMS, INC.,
SAFETY PRECAST, INC.,
SUPERIOR DRAINAGE, LLC,
THOMPSON CULVERT COMPANY,
WEST TEXAS CULVERTS, INC.
SECURITY AGREEMENT
Recorded 2010-09-22
TERMINATION OF SECURITY INTEREST IN PATENTS
Recorded 2006-02-03
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Quick Facts
- App. No.
- 60/566,628
- Filed
- 2004-04-29
External Links