Patent US5409603A successfully refreshed from Google Patents.
US5409603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Additional trough for an aquarium filter container
Assignee: Individual
•
Filing: 1994-03-28
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Granted: 1995-04-25
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Expires: 2014-03-28
Abstract
Abstract An additional trough for an aquarium filter container comprising a rectangular body having an open top and consisting of a bottom panel, two long-side panels and two short-side panels, said bottom panel being formed with a plurality of equidistant longitudinal and transverse grooves making a plurality of intersecting points, a perforation being formed on alternate one of said intersecting points and equally distant from each other, said bottom panel further having at the outer side a protruded portion which is smaller than the open top of said rectangular body in area and extends outwardly to a flange and downwardly to form four elongated projections, said bottom panel having an outer side formed with a plurality of annular portions concentric with corresponding perforations.
Inventors
- 👤 Chiang M. Tsung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:18
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
120 words
An additional trough for an aquarium filter container comprising a rectangular body having an open top and consisting of a bottom panel, two long-side panels and two short-side panels, said bottom panel being formed with a plurality of equidistant longitudinal and transverse grooves making a plurality of intersecting points, a perforation being formed at alternating intersecting points and equally distant from each other, said bottom panel further having at an outer side a protruded portion which is smaller than the open top of said rectangular body in area and extends outwardly to form a flange and downwardly to form four elongated projections, said bottom panel having an outer side formed with a plurality of annular portions concentric with corresponding perforations.
Claim 2
Dependent Claim
120 words
An additional trough for an aquarium filter container comprising a rectangular body having an open top and consisting of a bottom panel, two long-side panels and two short-side panels, said bottom panel being formed with a plurality of equidistant longitudinal and transverse grooves making a plurality of intersecting points, a perforation being formed at alternating intersecting points and equally distant from each other, said bottom panel further having at an outer side a protruded portion which is smaller than the open top of said rectangular body in area and extends outwardly to form a flange and downwardly to form four elongated projections, said bottom panel having an outer side formed with a plurality of annular portions concentric with corresponding perforations.
Claim 3
Dependent Claim
42 words
The additional trough for an aquarium filter container as claimed in claim 1, wherein each of said short-side panels is provided at an upper side with a curved notch engaged with a tab which can be easily removed by applying force thereon.
Claim 4
Dependent Claim
37 words
The additional trough for an aquarium filter container as claimed in claim 1, wherein each of said long-side panels and short-side panels is formed with a dovetail at one end and a dovetail groove at another end.
Claim 5
Dependent Claim
30 words
The additional trough for an aquarium filter container as claimed in claim 1, wherein said bottom panel flange has a diameter of 3 mm and a depth of 0.75 mm.
Claim 6
Dependent Claim
23 words
The additional trough for an aquarium filter container as claimed in claim 1, wherein said flange is formed with a plurality of holes.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-24 | 1998-10-24 | 1999-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-24 | 2002-10-24 | 2003-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-24 | 2006-10-24 | 2007-04-25 | $7700.00 | Window Closed / Lapsed |