Patent US3139181A successfully refreshed from Google Patents.
US3139181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container of dental alloy
Assignee: KOBERLOY Inc
•
Filing: 1961-11-21
•
Granted: 1964-06-30
•
Expires: 1981-11-21
Abstract
No abstract record available.
Inventors
- 👤 Kobernick Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:29
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/60; A61C5/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1464273A
Cited
US1774258A
Cited
US2318917A
Cited
US2382978A
Cited
US2527991A
Cited
US2813649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |