US3185462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing dental amalgam and separating excess mercury therefrom
Assignee: Individual
•
Filing: 1960-04-22
•
Granted: 1965-05-25
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Louis L Shore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:49
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/60; A61C5/66; A61C5/68; B; B01; B01F; B01F31/00; B01F31/20; B01F31/22; Y; Y10; Y10S; Y10S366/00; Y10S366/602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
DENTAL APPARATUS COMPRISING, IN COMBINATION, A CONTAINER FOR DENTAL AMALGAM, A CARRIER THEREFOR, MEANS FOR DETACHABLY SECURING SAID CONTAINER TO SAID CARRIER, SAID CONTAINER HAVING A SCREEN THEREIN CAPABLE OF PERMITTING PASSAGE OF MERCURY BUT NOT SILVER AND MERCURY AMALGAM THERETHROUGH, MEANS FOR SELECTIVELY IMPARTING OSCILLATORY MOTION TO SAID CARRIER AT ONE TIME AND ROTARY MOTION TO SAID CARRIER AT ANOTHER TIME, AND MEANS FOR AUTOMATICALLY TIMING THE PERIODS OF SAID OSCILLATORY AND ROTARY MOTIONS FOR RESPECTIVE PRE-DETERMINED TIME INTERVALS.
Claim 2
Dependent Claim
80 words
DENTAL APPARATUS COMPRISING, IN COMBINATION, A CONTAINER FOR DENTAL AMALGAM, A CARRIER THEREFOR, MEANS FOR DETACHABLY SECURING SAID CONTAINER TO SAID CARRIER, SAID CONTAINER HAVING A SCREEN THEREIN CAPABLE OF PERMITTING PASSAGE OF MERCURY BUT NOT SILVER AND MERCURY AMALGAM THERETHROUGH, MEANS FOR SELECTIVELY IMPARTING OSCILLATORY MOTION TO SAID CARRIER AT ONE TIME AND ROTARY MOTION TO SAID CARRIER AT ANOTHER TIME, AND MEANS FOR AUTOMATICALLY TIMING THE PERIODS OF SAID OSCILLATORY AND ROTARY MOTIONS FOR RESPECTIVE PRE-DETERMINED TIME INTERVALS.
References Cited (Backward Citations)
US811097A
Cited
US1578067A
Cited
US1669485A
Cited
US1706722A
Cited
US1989852A
Cited
US2665008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |