US2686456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental mirror with removable mirror element
Assignee: Individual
•
Filing: 1951-10-22
•
Granted: 1954-08-17
•
Expires: 1971-10-22
Abstract
No abstract record available.
Inventors
- 👤 Anthony S Szuba
- 👤 Stanley A Szuba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:22
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24; A61B1/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693140A
Cited
US893293A
Cited
US1770050A
Cited
US1909853A
Cited
US2140005A
Cited
US2336392A
Cited
US2582593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |