Playground equipment with wooden timbers having internal fasteners
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 8, 1984
Grant Date -
N/A
app pub date -
Jul 14, 1982
filing date -
Jul 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Playground equipment having wooden timbers includes a plastic fastener with a metal threaded core flushly mounted in the wooden timbers for interconnecting the wooden timbers to associated members of the playground unit. The plastic fastener has one-way tightening means and actuates the metal core by locking engagement with the metal core, thereby preventing disassembly of the playground equipment.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully