US3518762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing materials useful in dental practice
Assignee: Individual
•
Filing: 1966-10-25
•
Granted: 1970-07-07
•
Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Mitsuharu Takeuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/30; C08F22/34; A; A61; A61K; A61K6/00; A61K6/15; A61K6/17; A61K6/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3250002A
Cited
US3191303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |