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US2897596A
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Fluid-driven dental handpiece construction
Assignee: Weber Dental Manufacturing Co
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Filing: 1958-01-03
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Granted: 1959-08-04
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Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 John A Maurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:29
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; Y; Y10; Y10S; Y10S128/00; Y10S128/14; Y10S415/00; Y10S415/904; Y10S417/00; Y10S417/01; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2251057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |