US2579960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making artificial dentures
Assignee: Individual
•
Filing: 1949-07-21
•
Granted: 1951-12-25
•
Expires: 1969-07-21
Abstract
No abstract record available.
Inventors
- 👤 Pita Frantisek
- 👤 Prokes Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:11
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/24; A61C13/245; A61C13/01; A61C13/04; A61C13/25; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49567; Y10T29/4998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US77773A
Cited
US119245A
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FR741947A
Cited
US729621A
Cited
US940599A
Cited
US1774907A
Cited
US2171736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |