US2869551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical therapeutic jacket
Assignee: Individual
•
Filing: 1957-01-28
•
Granted: 1959-01-20
•
Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas G Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:25
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/007; A61F2007/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR821150A
Cited
US2579383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |