Patent US3300859A successfully refreshed from Google Patents.
US3300859A
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Assignee: Individual
•
Filing: 1964-01-15
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Granted: 1967-01-31
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Milton V Sanden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:56
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24; A61B1/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A DENTAL MIRROR COMPRISING A MIRROR PART CONSISTING ESSENTIALLY OF A STEM AND A MIRROR ASSEMBLY SECURED TO SAID STEM, SAID MIRROR ASSEMBLY HAVING AT LEAST ONE REFLECTING SURFACE AND HAVING ARCUATE INDENTATIONS AT THE UPPER AND LOWER MARGINS THEREOF CENTRALLY OF SAID REFLECTING SURFACE, SAID MIRROR ASSEMBLY HAVING A MAXIMUM OVERALL LENGTH DIMENSION OF ABOUT 25 MILLIMETERS, A MINIMUM HEIGHT DIMENSION OF ABOUT 16 MILLIMETERS WHICH
Claim 2
Dependent Claim
67 words
A DENTAL MIRROR COMPRISING A MIRROR PART CONSISTING ESSENTIALLY OF A STEM AND A MIRROR ASSEMBLY SECURED TO SAID STEM, SAID MIRROR ASSEMBLY HAVING AT LEAST ONE REFLECTING SURFACE AND HAVING ARCUATE INDENTATIONS AT THE UPPER AND LOWER MARGINS THEREOF CENTRALLY OF SAID REFLECTING SURFACE, SAID MIRROR ASSEMBLY HAVING A MAXIMUM OVERALL LENGTH DIMENSION OF ABOUT 25 MILLIMETERS, A MINIMUM HEIGHT DIMENSION OF ABOUT 16 MILLIMETERS WHICH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |