US2967524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment apparatus for static or dynamic treatment of the spinal column
Assignee: Individual
•
Filing: 1954-10-25
•
Granted: 1961-01-10
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Christensen Verner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/30; A61F5/34; A61F7/00; A61F7/007; A61H; A61H9/00; A61H9/005; A61H9/0078; A61F2007/0001; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0134; A61H2201/02; A61H2201/0207; A61H2201/0221; A61H2201/0228; Y; Y10; Y10S; Y10S128/00; Y10S128/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE373748C
Cited
GB191106776A
Cited
US1646590A
Cited
US1716145A
Cited
DE517850C
Cited
FR682033A
Cited
US2045750A
Cited
US2198989A
Cited
US2355757A
Cited
US2437006A
Cited
US2521530A
Cited
US2499045A
Cited
FR1015989A
Cited
US2694395A
Cited
FR1042440A
Cited
US2684672A
Cited
FR1051754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |