USPatentGranted
S

Locking separable coupling for sewer snakes or the like

Granted 28 Apr 1987 · no office action yet

Current assignee: Michael Schneider · originally The Reinforcement Bar Spacer Co. Pty Ltd

Law firm: Law firm · Log in to unlock

Attorney: Attorney · Log in to unlock

Inventors: Michael Schneider · Examiner: B.J. Bullock · AU 291 · TC 2900

Application
638899
filed 8 Aug 1984
Publication
Not published
not published
Patent· this page
US D289575
granted 28 Apr 1987

Life of the patent

2 dated events
⤢ drag to zoomJul 1984Jan 1985Jul 1985Jan 1986Jul 1986Jan 1987Jul 1987Prosecution
Prosecutionhover for detail · click to open

Description

1 parts
›FIG. 1 is an exploded side elevation of…

FIG. 1 is an exploded side elevation of the locking separable coupling for sewer snakes or the like showing my new design, the opposite side is a mirror image of the side shown;

FIG. 2 is a bottom plan view of the parts thereof;

FIG. 3 is a front elevation, the back is a mirror image of the front; and

FIG. 4 is a top plan view of the lower part of the coupling, the top of the upper part being unornamented.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D32/14

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
2.7 y
993 days filing → grant
Office actions
0
on the grant's record
Examiner
B.J. Bullock
art unit 291 · TC 2900
Citations: 6 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