Patent USD287724S successfully refreshed from Google Patents.
US3054187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot operated speed control units and systems for air driven dental handpieces
Assignee: Individual
•
Filing: 1960-04-11
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Granted: 1962-09-18
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Staunt Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324713A
Cited
US1182706A
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US1729802A
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US1720389A
Cited
US2014642A
Cited
US2648234A
Cited
US2748229A
Cited
US2911010A
Cited
US2855672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |