US1664369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and device for operating upon human teeth
Assignee: Individual
•
Filing: 1925-01-20
•
Granted: 1928-03-27
•
Expires: 1945-01-20
Abstract
No abstract record available.
Inventors
- 👤 Maurer Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:20
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0092; A; A61; A61C; A61C3/00; A61C3/02; A61C3/025; Y; Y10; Y10S; Y10S29/00; Y10S29/084; Y10S29/089
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) | 1931-03-27 | 1931-09-26 | 1932-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-27 | 1935-09-26 | 1936-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-27 | 1939-09-26 | 1940-03-27 | $7700.00 | Window Closed / Lapsed |