US3237306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water coolant supply system for airdriven dental handpieces
Assignee: American Hospital Supply Corp
•
Filing: 1962-01-09
•
Granted: 1966-03-01
•
Expires: 1982-01-09
Abstract
No abstract record available.
Inventors
- 👤 Staunt Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:37
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; A61C1/052; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2309296A
Cited
US2855672A
Cited
US2882861A
Cited
US2960060A
Cited
US3129511A
Cited
US3067765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |