US3003498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinal traction chairs
Assignee: Individual
•
Filing: 1958-12-02
•
Granted: 1961-10-10
•
Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 Leo G Hotas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:03
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1619; A61H2201/1621; A61H2201/1628; A61H2201/163; A61H2203/00; A61H2203/04; A61H2203/0425; A61H2203/0431
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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |