US3218028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating capsule for dental handpiece
Assignee: Individual
•
Filing: 1963-05-31
•
Granted: 1965-11-16
•
Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 John V Borden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:55
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; A61C1/08; A61C1/18; A61C1/181; F; F16; F16C; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C2316/00; F16C2316/10; F16C2316/13; F16C27/00; F16C27/06; F16C27/066; Y; Y10; Y10S; Y10S415/00; Y10S415/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2471812A
Cited
US2753806A
Cited
US2886285A
Cited
US2945299A
Cited
US2897596A
Cited
US2891312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |