US3145876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitized titration apparatus
Assignee: Individual
•
Filing: 1962-05-28
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Granted: 1964-08-25
•
Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Roger W Mcbrien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:13
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
TITRATION APPARATUS COMPRISING A CONTAINER, A TRANSLUCENT UPRIGHT BURET HAVING SCALE MARKINGS DISPOSED LENGTHWISE ALONG ITS WALL, MEANS SUPPLYING THE BURET WITH LIQUID FROM THE CONTAINER, MEANS FOR DIRECTING LIGHT UPWARDLY IN THE BURET, AND A SCREEN ALONG SIDE BUT SPACED FROM THE BURET AND RECEIVING SCALE READINGS PROJECTED HORIZONTALLY FROM THE MENISCUS AT THE TOP OF A LIQUID COLUMN IN THE BURET AND THROUGH THE BURET WALL.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |