US2715901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating contour chair
Assignee: Individual
•
Filing: 1954-08-02
•
Granted: 1955-08-23
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Oliver P Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0254; A61H23/0263; A47; A47C; A47C21/00; A47C21/006; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0138; A61H2201/0142; A61H2201/0149
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) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |