Patent US4736859A successfully refreshed from Google Patents.
US4736859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container and non-removable cover
Assignee: Helena Laboratories Corp
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Filing: 1987-02-10
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Granted: 1988-04-12
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Expires: 2007-02-10
Abstract
Abstract A specimen collection apparatus particularly useful for urine samples. The apparatus includes a container or beaker and a screw on self-locking top that cannot be removed without damage to the top of the beaker.
Inventors
- 👤 Ronald A. Mayes
- 👤 Tipton A. Golias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:10
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/36; A; A61; A61B; A61B10/00; A61B10/0045; A61B10/007; B65D55/00; B65D55/02; B65D55/022; B65D2255/00; B65D2255/20; G; G01; G01N; G01N1/00; G01N2001/002; G01N2001/007
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
157 words
A container comprising: a beaker having a body portion; a cover having a top portion, said top portion including a downwardly extending skirt having a first thread formed about the interior surface of said skirt; said beaker defining an upper periphery having a second thread formed about said upper periphery, said first and second threads cooperating to cause said cover to become threadably engaged with said beaker; said skirt further including at least one first ratchet tooth adjacent to and substantially circumferentially aligned with the upper end of said first thread, and said beaker including at least one second ratchet tooth adjacent to and substantially circumferentially aligned with the upper end of said second thread; said at least one first ratchet tooth engagable with said at least one second ratchet tooth to prevent removal of said cover from said beaker without damage to said beaker or said cover when said cover is threadably engaged with said beaker.
Claim 2
Dependent Claim
157 words
A container comprising: a beaker having a body portion; a cover having a top portion, said top portion including a downwardly extending skirt having a first thread formed about the interior surface of said skirt; said beaker defining an upper periphery having a second thread formed about said upper periphery, said first and second threads cooperating to cause said cover to become threadably engaged with said beaker; said skirt further including at least one first ratchet tooth adjacent to and substantially circumferentially aligned with the upper end of said first thread, and said beaker including at least one second ratchet tooth adjacent to and substantially circumferentially aligned with the upper end of said second thread; said at least one first ratchet tooth engagable with said at least one second ratchet tooth to prevent removal of said cover from said beaker without damage to said beaker or said cover when said cover is threadably engaged with said beaker.
Claim 3
Dependent Claim
20 words
The container of claim 1 wherein said beaker includes a stiffening shoulder formed about the top below the formed thread.
Claim 4
Dependent Claim
25 words
The container of claim 1 wherein said top, when engaged with said beaker forms a relatively fluid tight joint between said top and said beaker.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-12 | 1991-10-12 | 1992-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-12 | 1995-10-12 | 1996-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-12 | 1999-10-12 | 2000-04-12 | $7700.00 | Window Closed / Lapsed |