US2508546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental pattern
Assignee: Individual
•
Filing: 1948-03-30
•
Granted: 1950-05-23
•
Expires: 1968-03-30
Abstract
No abstract record available.
Inventors
- 👤 Clawson N Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:05
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1262973A
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US1357503A
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US1535017A
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US1595338A
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US1684700A
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US2056415A
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US2065977A
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US2136404A
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US2279351A
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US2323685A
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US2362507A
Cited
US2400831A
Cited
US2461416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |