Patent US3275042A successfully refreshed from Google Patents.
US3275042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispensing apparatus
Assignee: A STRAZDINS PTY Ltd
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Filing: 1964-09-17
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Granted: 1966-09-27
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Strazdins Atis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:14
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
LIQUID DISPENSING APPARATUS COMPRISING: A MAIN MEASURING CYLINDER HAVING A COVER AT ONE END AND A LIQUID OUTLET AT THE OTHER END; A MAIN PISTON SLIDABLE IN SAID MAIN CYLINDER; A MAIN PISTON ROD WHEREON SAID MAIN PISTION IS MOUNTED, WHICH EXTENDS EXTERNALLY OF AND IS SLIDABLE THROUGH SAID COVER, AND WHICH IS TUBULAR THEREBY TO CONSISTUTE A FRACTIONAL MEASURING CYLINDER; A FIRST BOSS ON THE OUTER END OF SAID MAIN PISTON ROD ABLE TO ABUT THE OUTER FACE OF SAID COVER, A FRACTIONAL PISTON SLIDABLE IN SAID MAIN PISTON ROD, A FRACTIONAL PISTON ROD WHEREON SAID FRACTIONAL PISTON IS MOUNTED AND WHICH EXTENDS EXTERNALLY OF AND IS SLIDABLE THROUGH SAID FIRST BOSS, A SECOND BOSS ON THE OUTER END OF SAID FRICTIONAL PISTON ROD ABLE TO ABUT THE OUTER FACE OF SAID FIRST BOSS, AN INDEX ROD WHICH IS SLIDABLE THROUGH SAID COVER AND BOTH OF SAID BOSSES AND WHICH EXTEND EXTERNALLY OF SAID SECOND BOSS, A STOP ON THE OUTER END OF SAID INDEX ROD ABLE TO ABUT THE OUTER FACE OF SAID SECOND BOSS, AND MEANS FOR HOLDING SAID INDEX ROD IN SELECTED ADJUSTMENT RELATIVE TO SAID COVER.
Claim 2
Dependent Claim
191 words
LIQUID DISPENSING APPARATUS COMPRISING: A MAIN MEASURING CYLINDER HAVING A COVER AT ONE END AND A LIQUID OUTLET AT THE OTHER END; A MAIN PISTON SLIDABLE IN SAID MAIN CYLINDER; A MAIN PISTON ROD WHEREON SAID MAIN PISTION IS MOUNTED, WHICH EXTENDS EXTERNALLY OF AND IS SLIDABLE THROUGH SAID COVER, AND WHICH IS TUBULAR THEREBY TO CONSISTUTE A FRACTIONAL MEASURING CYLINDER; A FIRST BOSS ON THE OUTER END OF SAID MAIN PISTON ROD ABLE TO ABUT THE OUTER FACE OF SAID COVER, A FRACTIONAL PISTON SLIDABLE IN SAID MAIN PISTON ROD, A FRACTIONAL PISTON ROD WHEREON SAID FRACTIONAL PISTON IS MOUNTED AND WHICH EXTENDS EXTERNALLY OF AND IS SLIDABLE THROUGH SAID FIRST BOSS, A SECOND BOSS ON THE OUTER END OF SAID FRICTIONAL PISTON ROD ABLE TO ABUT THE OUTER FACE OF SAID FIRST BOSS, AN INDEX ROD WHICH IS SLIDABLE THROUGH SAID COVER AND BOTH OF SAID BOSSES AND WHICH EXTEND EXTERNALLY OF SAID SECOND BOSS, A STOP ON THE OUTER END OF SAID INDEX ROD ABLE TO ABUT THE OUTER FACE OF SAID SECOND BOSS, AND MEANS FOR HOLDING SAID INDEX ROD IN SELECTED ADJUSTMENT RELATIVE TO SAID COVER.
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |