US2889598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental pattern
Assignee: Individual
•
Filing: 1957-01-17
•
Granted: 1959-06-09
•
Expires: 1977-01-17
Abstract
No abstract record available.
Inventors
- 👤 Birger H Lundquist
- 👤 Ralph E Fentner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:27
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/225; A61C13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2136404A
Cited
US2345305A
Cited
US2362507A
Cited
US2461416A
Cited
US2638632A
Cited
US2700184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |