Patent US3091124A successfully refreshed from Google Patents.
US3091124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring pipet
Assignee: Individual
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Filing: 1960-11-02
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Granted: 1963-05-28
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Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 William M Hindman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:44
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
A MEASURING PIPET COMPRISING A BODY INCLUDING A BARREL AND A STOPCOCK PLUG, SAID BARREL AND SAID PLUG HAVING COOPERATING MATING INTERIOR AND EXTERIOR SURFACES, RESPECTIVELY, A STEM EXTENDING OUTWARDLY FROM SAID BARREL AND HAVING A BORE THERETHROUGH WHICH COMMUNICATES WITH THE INTERIOR SURFACE OF SAID BARREL, A PIPET TIP EXTENDING AWAY FROM SAID BARREL AND HAVING A BORE THERETHROUGH WHICH COMMUNICATES WITH THE INTERIOR SURFACE OF SAID BARREL IN DIAMETRICALLY-OPPOSED RELATION TO SAID STEM BORE, SAID STOPCOCK A PLUG HAVING A PAIR OF PLUG BORES EXTENDING THERETHROUGH, EACH OF WHICH INTERSECTD AN AXIS OF SAID PLUG, SAID PLUG BORES BEING SPACED AXIALLY APART ALONG SAID PLUG AT THE PORTIONS INTERSECTING SAID PLUG AXIS, PASSAGE MEANS IN ONE OF SAID PLUG AND BARREL CONNECTING AN END OF ONE OF SAID PLUG BORES TO ONE OF SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID PLUG IS IN ONE CIRCUMFERENTIAL POSITION AND CONNECTING AN END OF THE OTHER SAID PLUG BORES TO THE SAME ONE OF SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID PLUG IS IN A SECOND CIRCIMFERENTIAL POSITION, BOTH OF SAID PLUG BORES BEING OUT OF REGISTRY WITH BOTH SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID STOPCOCK IS IN A THIRD CIRCUMFERENTIAL POSITION.
Claim 2
Dependent Claim
211 words
A MEASURING PIPET COMPRISING A BODY INCLUDING A BARREL AND A STOPCOCK PLUG, SAID BARREL AND SAID PLUG HAVING COOPERATING MATING INTERIOR AND EXTERIOR SURFACES, RESPECTIVELY, A STEM EXTENDING OUTWARDLY FROM SAID BARREL AND HAVING A BORE THERETHROUGH WHICH COMMUNICATES WITH THE INTERIOR SURFACE OF SAID BARREL, A PIPET TIP EXTENDING AWAY FROM SAID BARREL AND HAVING A BORE THERETHROUGH WHICH COMMUNICATES WITH THE INTERIOR SURFACE OF SAID BARREL IN DIAMETRICALLY-OPPOSED RELATION TO SAID STEM BORE, SAID STOPCOCK A PLUG HAVING A PAIR OF PLUG BORES EXTENDING THERETHROUGH, EACH OF WHICH INTERSECTD AN AXIS OF SAID PLUG, SAID PLUG BORES BEING SPACED AXIALLY APART ALONG SAID PLUG AT THE PORTIONS INTERSECTING SAID PLUG AXIS, PASSAGE MEANS IN ONE OF SAID PLUG AND BARREL CONNECTING AN END OF ONE OF SAID PLUG BORES TO ONE OF SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID PLUG IS IN ONE CIRCUMFERENTIAL POSITION AND CONNECTING AN END OF THE OTHER SAID PLUG BORES TO THE SAME ONE OF SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID PLUG IS IN A SECOND CIRCIMFERENTIAL POSITION, BOTH OF SAID PLUG BORES BEING OUT OF REGISTRY WITH BOTH SAID STEM BORE AND SAID PIPET TIP BORE WHEN SAID STOPCOCK IS IN A THIRD CIRCUMFERENTIAL POSITION.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |