USPatentGranted
I4

Non-woven nets

Granted 1 Jan 1980 · no office action yet

Assignee:

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: James A. Williams · Examiner: · AU 164 · TC 1600

Application
Not granted yet
filed 23 Apr 1979
Publication
Not published
not published
Patent· this page
US T990006
granted 1 Jan 1980

Life of the patent

2 dated events
⤢ drag to zoomMarAprMayJunJulAugSepOctNovDec1980FebProsecution
Prosecutionhover for detail · click to open

Abstract

A net which comprises an expanded area-bonded non-woven fabric, and method of preparation. The net has a mesh perimeter in the range 1/8 to 12 inches, tear strength of from 5 to 20 lb. per inch per lb. per square yard of net. The process comprises forming numerous, discontinuous parallel and overlapping slits, having lengths from 1/16 to 6 inches in area-bonded non-woven fabric, and then stretching the slit fabric in a direction transverse to the slits to form a net, and preferably heat treating the net.

Classifications

12 codes
IPC · International Patent Classification
Section D — Textiles; paper
  • D04H1/00
USPC · US Patent Classification
428/131428/290428/296428/255428/288428/136428/137281/6428/373428/297428/134

Claim changes

Soon
Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

Pendency
0.7 y
253 days filing → grant
Office actions
0
on the grant's record
Citations: 0 back · 0 forward

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Log in to unlock

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Log in to unlock

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.

Log in to unlock