US2861565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent or continuous traction device
Assignee: Individual
•
Filing: 1953-12-11
•
Granted: 1958-11-25
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Leo A Lapierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:48
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H1/0222; A61H2001/0233; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US785639A
Cited
US896114A
Cited
US951515A
Cited
US1837037A
Cited
US1914202A
Cited
US2593675A
Cited
US2633124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |