US3158148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental apparatus
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1964-11-24
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Utley Euel Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:10
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DENTAL APPARATUS INCLUDING A BUNSEN BURNER HAVING A BASE PORTION AND A VERTICALLY EXTENDING GAS TUBE WITH A LOWER END SECURED TO THE BASE PORTION AND INCLUDING MEANS DEFINING A GAS INLET, AN ADJUSTABLE AIR INLET, AND AN OPEN UPPER END, ALSO AN OPEN TOP CONTAINER MEANS FOR RECEIVING AND KEEPING WARM A QUANTITY OF WAX, SAID CONTAINER INCLUDING AN UPSTANDING PERIPHERAL OUTER WALL, A VERTICAL CENTRAL SLEEVE WITH A CENTRAL OPENING THEREIN OF GREATER INTERNAL DIAMETER THAN THE OUTER DIAMETER OF SAID GAS TUBE, AND A SUBSTANTIALLY FLAT BOTTOM BETWEEN SAID WALL AND SAID SLEEVE, SAID SLEEVE POSSESSING A FIRST PORTION EXTENDING FROM
Claim 2
Dependent Claim
105 words
A DENTAL APPARATUS INCLUDING A BUNSEN BURNER HAVING A BASE PORTION AND A VERTICALLY EXTENDING GAS TUBE WITH A LOWER END SECURED TO THE BASE PORTION AND INCLUDING MEANS DEFINING A GAS INLET, AN ADJUSTABLE AIR INLET, AND AN OPEN UPPER END, ALSO AN OPEN TOP CONTAINER MEANS FOR RECEIVING AND KEEPING WARM A QUANTITY OF WAX, SAID CONTAINER INCLUDING AN UPSTANDING PERIPHERAL OUTER WALL, A VERTICAL CENTRAL SLEEVE WITH A CENTRAL OPENING THEREIN OF GREATER INTERNAL DIAMETER THAN THE OUTER DIAMETER OF SAID GAS TUBE, AND A SUBSTANTIALLY FLAT BOTTOM BETWEEN SAID WALL AND SAID SLEEVE, SAID SLEEVE POSSESSING A FIRST PORTION EXTENDING FROM
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |