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Patent US1923972A successfully refreshed from Google Patents.
US1923972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental appliance
Assignee: Individual
•
Filing: 1932-01-05
•
Granted: 1933-08-22
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Expires: 1952-01-05
Abstract
No abstract record available.
Inventors
- 👤 Frank A Goodykoontz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:51
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/28; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32418; Y10T403/32606; Y10T403/32631; Y10T403/32811
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) | 1936-08-21 | 1937-02-20 | 1937-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-21 | 1941-02-20 | 1941-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-21 | 1945-02-20 | 1945-08-22 | $7700.00 | Window Closed / Lapsed |