US2879765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic device
Assignee: Individual
•
Filing: 1957-06-25
•
Granted: 1959-03-31
•
Expires: 1977-06-25
Abstract
No abstract record available.
Inventors
- 👤 Paul V Featherston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:21
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H2205/00; A61H2205/02; A61H2205/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA484028A
Cited
US1201767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |