US3222037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amalgam agitator and dispenser
Assignee: Individual
•
Filing: 1961-10-18
•
Granted: 1965-12-07
•
Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Charles J Thiel
- 👤 Louis J Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:10
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; A61C5/68; B01; B01F; B01F31/00; B01F31/20; B01F31/26; B01F35/00; B01F35/40; B01F35/42; B01F35/422; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
APPARATUS FOR LOADING AMALGAM INTO A TUBE COMPRISING, A MIXING CHAMBER HAVING AN ORIFICE, AGITATING MEANS IN SAID MIXING CHAMBER, AN ELONGATED TUBE MOUNTED AT ONE END ON SAID MIXING CHAMBER AT SAID ORIFICE, SAID TUBE AND ORIFICE HAVING SUBSTANTIALLY THE SAME DIAMETER, A VALVE IN SAID ORIFICE BETWEEN SAID MIXING CHAMBER AND SAID TUBE, AND A REMOVABLE STOPPER POSITIONED IN THE OTHER END OF THE SAID TUBE.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |