Patent US3278167A successfully refreshed from Google Patents.
US3278167A
Expired / Lapsed
US
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Apparatus for ceramic work in prosthetic dentistry
Assignee: Individual
•
Filing: 1965-04-05
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Granted: 1966-10-11
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert G Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:09
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/20; A61C5/00; A61C5/70; A61C5/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1756325A
Cited
US1918018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |