Patent US3433945A successfully refreshed from Google Patents.
Patent US1702175A successfully refreshed from Google Patents.
US1702175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental chair
Assignee: ELECTRO DENTAL Manufacturing Co
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Filing: 1925-02-12
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Granted: 1929-02-12
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Expires: 1945-02-12
Abstract
No abstract record available.
Inventors
- 👤 Adolph W Schramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:12
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/10; A61G15/12; A61G15/125; A61G15/02
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) | 1932-02-12 | 1932-08-13 | 1933-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-12 | 1936-08-13 | 1937-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-12 | 1940-08-13 | 1941-02-12 | $7700.00 | Window Closed / Lapsed |