US3552019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sub-bracket for dental attachments
Assignee: Individual
•
Filing: 1966-04-29
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Granted: 1971-01-05
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Expires: 1986-04-29
Abstract
Abstract A SUB-BRACKET ASSEMBLY FOR POSITIONING ONE OR A PLURALITY OF LINE TYPE DENTAL ATTACHMENTS AT A CONVENIENT LOCATION OLN A CONVENTIONAL DENTAL OPERATORY UNIT. EACH ATTACHEMENT HAS ASSOCIATED THEREWITH A PULLEY AND SPRING ARRANGEMENT FOR PERMITTING THE LINE OF THE ATTACHMENT TO BE PULLED OUTWARDLY FOR USE AND TO BE RETURNED BY SPRING MEANS AFTER USAGE. WHEN USED FOR A PLURALITY OF LINE TYPE DENTAL ATTACHMENTS, EACH ATTACHMENT HAS ITS OWN PULLEY AND SPRING ARRANGEMENT, THE PLURALITY OF ARRANGEMENTS BEING MOUNTED IN STACKED RELATIONSHIP TO EACH OTHER WITHIN THE SUB-BRACKET.
Inventors
- 👤 Russell S Crapanzano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:17
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |