US1000785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air and water attachment for dental engines.
Assignee: Individual
•
Filing: 1910-12-27
•
Granted: 1911-08-15
•
Expires: 1930-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Cunningham
- 👤 Amos C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0028; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684
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) | 1914-08-14 | 1915-02-13 | 1915-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-08-14 | 1919-02-13 | 1919-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-08-14 | 1923-02-13 | 1923-08-15 | $7700.00 | Window Closed / Lapsed |