US891762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental chair.
Assignee: Individual
•
Filing: 1907-04-17
•
Granted: 1908-06-23
•
Expires: 1927-04-17
Abstract
No abstract record available.
Inventors
- 👤 Frank E Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3081; B60N2/3086; A; A47; A47D; A47D11/00; A47D11/02; A47C; A47C1/00; A47C1/04; A47C1/08
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) | 1911-06-23 | 1911-12-23 | 1912-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-23 | 1915-12-23 | 1916-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-23 | 1919-12-23 | 1920-06-23 | $7700.00 | Window Closed / Lapsed |