US2776500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective partial foot-covering or sock
Assignee: Individual
•
Filing: 1953-09-28
•
Granted: 1957-01-08
•
Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Mary U Gonsalves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:41
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/18; A41; A41B; A41B11/00; A41B11/006; A41B11/02; A43B17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US619837A
Cited
US1141814A
Cited
US1436463A
Cited
US1630135A
Cited
US1877393A
Cited
US2288199A
Cited
US2435337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |