Patent US1489024A successfully refreshed from Google Patents.
US1489024A
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US
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Dental amalgam or alloy mixer
Assignee: Individual
•
Filing: 1923-11-03
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Granted: 1924-04-01
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Expires: 1943-11-03
Abstract
No abstract record available.
Inventors
- 👤 Ira A Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:17
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/60; A61C5/68; B; B01; B01F; B01F31/00; B01F31/20; B01F31/25; Y; Y10; Y10S; Y10S366/00; Y10S366/602
Claims Analysis
Total Claims: 0
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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) | 1927-04-01 | 1927-10-01 | 1928-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-01 | 1931-10-01 | 1932-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-01 | 1935-10-01 | 1936-04-01 | $7700.00 | Window Closed / Lapsed |