US2933376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titration apparatus
Assignee: Individual
•
Filing: 1957-01-28
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Granted: 1960-04-19
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Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Roger W Mcbrien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
TITRATION APPARATUS COMPRISING A CONTAINER FOR LIQUID TO BE TITRATED, A BURET MOUNTED ALONGSIDE THE CONTAINER, A CONDUIT FROM THE CONTAINER DIRECT TO THE LOWER PORTION OF THE BURET, A CLOSURE FOR SAID CONDUIT, AN EVACUATING DEVICE CONNECTED DIRECTLY TO THE UPPER END OF THE BURET INDEPENDENTLY OF THE CONTAINER AND SAID CONDUIT, A CONDUIT LEADING FROM SAID EVACUATING DEVICE INTO THE CONTAINER AND TO THE EXTERIOR OF THE APPARATUS, INDEPENDENTLY OF THE FIRST-MENTIONED CONDUIT, AND VALVE MEANS IN SAID LATTERMENTIONED CONDUIT OPERABLE MANUALLY, SELECTIVELY, TO CLOSE THE SAME TO THE CONTAINER AND OPEN THE SAME TO THE EXTERIOR OF THE APPARATUS, OR TO OPEN THE SAME TO THE CONTAINER AND CLOSE THE SAME TO THE EXTERIOR OF THE APPARATUS, OR TO CLOSE THE SAME TO BOTH THE CONTAINER AND TO THE EXTERIOR OF THE APPARATUS.
Claim 2
Dependent Claim
136 words
TITRATION APPARATUS COMPRISING A CONTAINER FOR LIQUID TO BE TITRATED, A BURET MOUNTED ALONGSIDE THE CONTAINER, A CONDUIT FROM THE CONTAINER DIRECT TO THE LOWER PORTION OF THE BURET, A CLOSURE FOR SAID CONDUIT, AN EVACUATING DEVICE CONNECTED DIRECTLY TO THE UPPER END OF THE BURET INDEPENDENTLY OF THE CONTAINER AND SAID CONDUIT, A CONDUIT LEADING FROM SAID EVACUATING DEVICE INTO THE CONTAINER AND TO THE EXTERIOR OF THE APPARATUS, INDEPENDENTLY OF THE FIRST-MENTIONED CONDUIT, AND VALVE MEANS IN SAID LATTERMENTIONED CONDUIT OPERABLE MANUALLY, SELECTIVELY, TO CLOSE THE SAME TO THE CONTAINER AND OPEN THE SAME TO THE EXTERIOR OF THE APPARATUS, OR TO OPEN THE SAME TO THE CONTAINER AND CLOSE THE SAME TO THE EXTERIOR OF THE APPARATUS, OR TO CLOSE THE SAME TO BOTH THE CONTAINER AND TO THE EXTERIOR OF THE APPARATUS.
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |