US302430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand-piece for dental engines
Assignee: —
•
Filing: —
•
Granted: 1884-07-22
•
Expires: 1901-07-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/141; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1887-07-22 | 1888-01-21 | 1888-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-07-22 | 1892-01-21 | 1892-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-07-22 | 1896-01-21 | 1896-07-22 | $7700.00 | Window Closed / Lapsed |