Patent US3368592A successfully refreshed from Google Patents.
US3368592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for mixing amalgam and loading it into a tube
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1968-02-13
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Charles J Thiel
- 👤 Louis J Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:46
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/60; A61C5/68; Y; Y10; Y10S; Y10S366/00; Y10S366/602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A DEVICE FOR LOADING AMALGAM INTO A TUBE COMPRISING, A CAPSULE HAVING WALLS FORMING A CLOSED RECEPTACLE, AN ELONGATED PASSAGEWAY IN AN END WALL OF SAID CAPSULE, A TUBE REMOVABLY MOUNTED ON THE END WALL AT THE OUTER END OF SAID PASSAGEWAY AND FORMING A CONTINUATION OF SAID PASSAGEWAY, AND SAID TUBE AND PASSAGEWAY BEING CONCENTRIC AT THEIR JUNCTION, AND AT THEIR JUNCTION SAID TUBE HAVING A LARGER INSIDE DIAMETER THAN SAID PASSAGEWAY, THEREBY FORMING AN OUTWARDLY FACING ANNULAR SHOULDER IN SAID PASSAGEWAY AT THE JUNCTION OF SAID TUBE AND PASSAGEWAY WHICH IMPEDES MOVEMENT OF AMALGAM FROM SAID TUBE INTO SAID PASSAGEWAY.
Claim 2
Independent Claim
102 words
A DEVICE FOR LOADING AMALGAM INTO A TUBE COMPRISING, A CAPSULE HAVING WALLS FORMING A CLOSED RECEPTACLE, AN ELONGATED PASSAGEWAY IN AN END WALL OF SAID CAPSULE, A TUBE REMOVABLY MOUNTED ON THE END WALL AT THE OUTER END OF SAID PASSAGEWAY AND FORMING A CONTINUATION OF SAID PASSAGEWAY, AND SAID TUBE AND PASSAGEWAY BEING CONCENTRIC AT THEIR JUNCTION, AND AT THEIR JUNCTION SAID TUBE HAVING A LARGER INSIDE DIAMETER THAN SAID PASSAGEWAY, THEREBY FORMING AN OUTWARDLY FACING ANNULAR SHOULDER IN SAID PASSAGEWAY AT THE JUNCTION OF SAID TUBE AND PASSAGEWAY WHICH IMPEDES MOVEMENT OF AMALGAM FROM SAID TUBE INTO SAID PASSAGEWAY.
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |