Patent US2731723A successfully refreshed from Google Patents.
US2731723A
Expired / Lapsed
US
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Articulators used in the production of denture prosthesis
Assignee: Individual
•
Filing: 1954-11-24
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Granted: 1956-01-24
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Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Brandhandler Filip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
A; A61; A61C; A61C11/00; A61C11/02; A61C11/022; A61C11/08; A61C11/081; A61C11/082; A61C11/06; A61C11/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2621407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |