US2980170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating chair arm structure
Assignee: SS White Dental Manufacturing Co
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Filing: 1960-01-29
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Granted: 1961-04-18
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Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 Friedrich W Bechtold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:10
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/10; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/03; A47C7/00; A47C7/54; A47C7/541; A61G5/00; A61G5/10; A61G5/12; A61G5/125; A61G15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |