US2582648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective sock with tubular marginal air enclosure having valve means
Assignee: Individual
•
Filing: 1948-06-12
•
Granted: 1952-01-15
•
Expires: 1968-06-12
Abstract
No abstract record available.
Inventors
- 👤 Mowbray Douglas Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; A61F13/041; A61F13/043; A61F13/06; A61F13/064; A61H; A61H37/00; Y; Y10; Y10S; Y10S128/00; Y10S128/20; Y10S2/00; Y10S2/03; Y10S2/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |