US3267016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak structure and method for producing same
Assignee: Beckman Coulter Inc
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Filing: 1963-12-26
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Granted: 1966-08-16
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:24
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A LEAK STRUCTURE FOR A LIQUID JUNCTION OF A SALT BRIDGE TUBE, THE COMBINATION OF: A WALL OF NONCONDUCTIVE MATERIAL HAVING AN OPENING THEREIN; AND A POROUS PLUG IN SAID OPENING FORMED OF HYDRATED CONCRETE, SAID CONCRETE CONSISTING ESSENTIALLY OF HYDRATED
Claim 2
Dependent Claim
41 words
A LEAK STRUCTURE FOR A LIQUID JUNCTION OF A SALT BRIDGE TUBE, THE COMBINATION OF: A WALL OF NONCONDUCTIVE MATERIAL HAVING AN OPENING THEREIN; AND A POROUS PLUG IN SAID OPENING FORMED OF HYDRATED CONCRETE, SAID CONCRETE CONSISTING ESSENTIALLY OF HYDRATED
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |