US2613520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitted footwear
Assignee: Individual
•
Filing: 1950-03-02
•
Granted: 1952-10-14
•
Expires: 1970-03-02
Abstract
No abstract record available.
Inventors
- 👤 Margaret E Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:00
CPC Classifications
A; A41; A41B; A41B11/00; D; D04; D04B; D04B1/00; D04B1/10; D04B1/102; D04B1/108; D04B1/22; D04B1/24; D04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB455979A
Cited
US2031432A
Cited
US2304052A
Cited
US2395908A
Cited
US2302788A
Cited
US2422736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |