US3752065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amalgam trituration device
Assignee: Individual
•
Filing: 1971-11-03
•
Granted: 1973-08-14
•
Expires: 1991-11-03
Abstract
Abstract A flexible porous layer to be wrapped tightly about an amalgam to express mercury through the layer, and an impervious layer about the porous layer for containing the expressed mercury.
Inventors
- 👤 G Reiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:44
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/60; A61C5/68
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
An amalgam trituration device according to claim 1, in combination with securing means securing said layers in said facing relation.
Claim 2
Dependent Claim
21 words
An amalgam trituration device according to claim 2, said securing means extending about a closed configuration for retaining material there within.
Claim 3
Dependent Claim
26 words
An amalgam trituration device according to claim 2, said securing means comprising adhesive means extending continuously about a closed configuration for retaining expressed mercury there within.
Claim 4
Dependent Claim
15 words
An amalgam trituration device according to claim 2, said porous layer comprising a woven fabric.
Claim 5
Dependent Claim
15 words
An amalgam trituration device according to claim 5, said impervious layer comprising a plastic film.
Claim 6
Dependent Claim
19 words
An amalgam trituration device according to claim 6, said film being thermoplastic, and said securing means comprising thermoweld means.
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) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |