Patent US3357545A successfully refreshed from Google Patents.
US3357545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental materials and apparatus for preparing the same
Assignee: Koberly Inc
•
Filing: 1965-11-01
•
Granted: 1967-12-12
•
Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 Kobernick Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:11
CPC Classifications
B; B65; B65B; B65B29/00; B65B29/10; A; A61; A61C; A61C5/00; A61C5/60; A61C5/66; A61C5/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A CONTAINER FOR HANDLING MATERIALS WHICH MUST BE KEPT SEPARATED UNTIL USED COMPRISING A FIRST PORTION OPEN AT ONE END AND CLOSED AT THE OTHER END AND HAVING A CAVITY INTERMEDIATE THE ENDS, A SECOND PORTION DETACHABLY ATTACHED TO THE SAID FIRST PORTION HAVING BOTH ENDS OPEN AND DEFINING A PASSAGEWAY BETWEEN THE ENDS WITH A CONSTRICTION IN SAID PASSAGEWAY INTERMEDIATE ITS ENDS; A THIRD PORTION DETACHABLY ATTACHED TO THE SAID SECOND PORTION HAVING ONE END OPEN AND ONE END CLOSED AND HAVING A CAVITY BETWEEN THE ENDS, SAID THIRD PORTION HAVING ATTACHED THERETO MEANS FOR TEMPORARILY CLOSING THE RESTRICTION BETWEEN THE ENDS OF THE SECOND PORTION.
Claim 2
Dependent Claim
107 words
A CONTAINER FOR HANDLING MATERIALS WHICH MUST BE KEPT SEPARATED UNTIL USED COMPRISING A FIRST PORTION OPEN AT ONE END AND CLOSED AT THE OTHER END AND HAVING A CAVITY INTERMEDIATE THE ENDS, A SECOND PORTION DETACHABLY ATTACHED TO THE SAID FIRST PORTION HAVING BOTH ENDS OPEN AND DEFINING A PASSAGEWAY BETWEEN THE ENDS WITH A CONSTRICTION IN SAID PASSAGEWAY INTERMEDIATE ITS ENDS; A THIRD PORTION DETACHABLY ATTACHED TO THE SAID SECOND PORTION HAVING ONE END OPEN AND ONE END CLOSED AND HAVING A CAVITY BETWEEN THE ENDS, SAID THIRD PORTION HAVING ATTACHED THERETO MEANS FOR TEMPORARILY CLOSING THE RESTRICTION BETWEEN THE ENDS OF THE SECOND PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |