US4748125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable adhesive test tube rack
Assignee: Individual
•
Filing: 1986-09-25
•
Granted: 1988-05-31
•
Expires: 2006-09-25
Abstract
Abstract A test tube rack having a test tube-supporting member connected to a base member and bearing an adhesive strip is disclosed.
Inventors
- 👤 John M. Pizzolante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:59
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10T; Y10T428/00; Y10T428/14; Y10T428/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
225 words
A collapsible test tube rack having open and closed conditions, said rack comprising: a base having a front edge, a rear edge, and at least one orientable tab; a test tube-supporting member having an outwardly-facing surface, a rear surface, and at least one slot, and having a length greater than its width, said member being pivotably connected along its length to said base along a line set back from the front edge of said base, said at least one slot and said at least one tab being mutually disposed such that in the open condition of said test tube rack said at least one tab connects with said at least one slot to prop said test tube-supporting member and in the closed condition of said test tube rack said at least one tab disconnects from said at least one slot and folds into said base, allowing said test tube-supporting member to fold down flat on said base; and at least one double-sided adhesive strip mounted on said outwardly-facing surface of said test tube-supporting member over said at least one slot, the side of said double-sided adhesive strip facing said test tube-supporting member serving to hold said strip on said test tube-supporting member and to hold said at least one tab in said at least one slot in the open condition of said test tube rack.
Claim 2
Dependent Claim
225 words
A collapsible test tube rack having open and closed conditions, said rack comprising: a base having a front edge, a rear edge, and at least one orientable tab; a test tube-supporting member having an outwardly-facing surface, a rear surface, and at least one slot, and having a length greater than its width, said member being pivotably connected along its length to said base along a line set back from the front edge of said base, said at least one slot and said at least one tab being mutually disposed such that in the open condition of said test tube rack said at least one tab connects with said at least one slot to prop said test tube-supporting member and in the closed condition of said test tube rack said at least one tab disconnects from said at least one slot and folds into said base, allowing said test tube-supporting member to fold down flat on said base; and at least one double-sided adhesive strip mounted on said outwardly-facing surface of said test tube-supporting member over said at least one slot, the side of said double-sided adhesive strip facing said test tube-supporting member serving to hold said strip on said test tube-supporting member and to hold said at least one tab in said at least one slot in the open condition of said test tube rack.
Claim 3
Dependent Claim
30 words
The test tube rack of claim 1 wherein said test tube-supporting member makes an angle with said base of between 10° and 90° in the open condition of said rack.
Claim 4
Dependent Claim
26 words
The test tube rack of claim 1 wherein said test tube-supporting member is provided with two slots and said base is provided with two orientable tabs.
Claim 5
Dependent Claim
38 words
The test tube rack of claim 1 further comprising: a base adhesive strip on the upper surface of said base forward of said test tube-supporting member, said base adhesive strip having an upwardly-facing layer of adhesive material thereon.
Claim 6
Dependent Claim
24 words
The test tube rack of claim 1 wherein said at least one adhesive strip essentially covers said outwardly-facing surface of said test tube-supporting member.
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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) | 1991-05-31 | 1991-11-30 | 1992-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-31 | 1995-11-30 | 1996-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-31 | 1999-11-30 | 2000-05-31 | $7700.00 | Window Closed / Lapsed |