US3067765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot control valve assembly for dental handpieces
Assignee: We Mar Inc
•
Filing: 1961-08-02
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Granted: 1962-12-11
•
Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert H Aymar
- 👤 Earl R Weiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7039; Y10T137/794; Y10T137/8158; Y10T137/8326; Y10T137/8359; Y10T137/8593; Y10T137/87153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AU229405B
Cited
US1054457A
Cited
US1750070A
Cited
US2116806A
Cited
US2126594A
Cited
US2775135A
Cited
US2929405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |