US3476153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot control valve for dental machine
Assignee: Bank of America Corp
•
Filing: 1967-08-14
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Granted: 1969-11-04
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Max G Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:35
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/07; F16K11/0708; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2854998A
Cited
US1055117A
Cited
GB426479A
Cited
US2656144A
Cited
US2739607A
Cited
US2995337A
Cited
US3192952A
Cited
US3296698A
Cited
US3359638A
Cited
US3242572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |