US2522261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental appliance
Assignee: Individual
•
Filing: 1946-08-16
•
Granted: 1950-09-12
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Freedman Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:32
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/0217; A61C17/06; A61C17/084; A61C17/088; A61C17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525816A
Cited
US810611A
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US950109A
Cited
FR575814A
Cited
US2161151A
Cited
US2098732A
Cited
US2274893A
Cited
US2253143A
Cited
US2255657A
Cited
US2393319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |