US2659272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental mirror having a repolishable light transmitting plastic cover disk
Assignee: Individual
•
Filing: 1951-12-08
•
Granted: 1953-11-17
•
Expires: 1971-12-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Goldmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:38
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24; A61B1/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US516092A
Cited
US621360A
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US893293A
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US2047253A
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US2079048A
Cited
US2140005A
Cited
US2230369A
Cited
US2179491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |