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US3499223A
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Dental handpiece in combination with collet wrench means
Assignee: DEN-TAL-EZ DENTAL PRODUCTS CORP A CORP OF PA
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Filing: 1968-01-22
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Granted: 1970-03-10
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel H Lieb
- 👤 Anthony J Turchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/18; A61C1/181; A61C1/14; A61C1/141; F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C2316/00; F16C2316/10; F16C2316/13; F16C25/00; F16C25/06; F16C25/08; F16C25/083; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17547
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2211216A
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US2194187A
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US2218168A
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US2897596A
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US3175293A
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US3134172A
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US3120706A
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US3325899A
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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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |