US1708450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental chair
Assignee: RITTER DENTAL Manufacturing Co
•
Filing: 1923-11-20
•
Granted: 1929-04-09
•
Expires: 1943-11-20
Abstract
No abstract record available.
Inventors
- 👤 Adam J May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:13
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18656; Y10T74/18672
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) | 1932-04-08 | 1932-10-08 | 1933-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-08 | 1936-10-08 | 1937-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-08 | 1940-10-08 | 1941-04-09 | $7700.00 | Window Closed / Lapsed |