US5409603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Additional trough for an aquarium filter container
Assignee: Individual
•
Filing: 1994-03-28
•
Granted: 1995-04-25
•
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 20:56
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.
References Cited (Backward Citations)
US3369659A
Cited
US3468288A
Cited
US3768651A
Cited
US3768652A
Cited
DE2222505A1
Cited
US3994807A
Cited
US3848567A
Cited
US4155451A
Cited
US4728504A
Cited
US4760921A
Cited
DE3638239A1
Cited
GB2215229A
Cited
JPH01288395A
Cited
JPH02268629A
Cited
US5026477A
Cited
GB2248558A
Cited
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 |