US3316043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental operatory unit
Assignee: Individual
•
Filing: 1965-06-01
•
Granted: 1967-04-25
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Taskey William Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:40
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189323031A
Cited
US1396864A
Cited
US2138563A
Cited
US2575661A
Cited
US2843444A
Cited
US2928696A
Cited
US3000681A
Cited
US3094363A
Cited
US3111759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |