US2421816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for making seamless hosiery
Assignee: INTERWOVEN STOCKING CO
•
Filing: 1944-06-02
•
Granted: 1947-06-10
•
Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Paul L Thurston
- 👤 Welker Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:16
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/12; D04B1/00; D04B1/02; D04B1/22; D04B1/24; D04B1/26; D04B15/00; D04B15/06; D04B15/32; D04B15/34
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |