US2819755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Physical rehabilitation device
Assignee: Individual
•
Filing: 1954-11-12
•
Granted: 1958-01-14
•
Expires: 1974-11-12
Abstract
No abstract record available.
Inventors
- 👤 Berger William Harold
- 👤 Kosover Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/008; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1614; A61H2201/1616; A61H2201/1619; A61H2201/1621; A61H2201/1635; A61H2201/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US397419A
Cited
GB190209402A
Cited
US1264227A
Cited
US1642184A
Cited
US1832584A
Cited
US2374182A
Cited
US2675856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |