US2681772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension mechanism and yarn support for knitting
Assignee: Individual
•
Filing: 1952-08-04
•
Granted: 1954-06-22
•
Expires: 1972-08-04
Abstract
No abstract record available.
Inventors
- 👤 Charney Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:14
CPC Classifications
D; D04; D04B; D04B3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US27594A
Cited
US491265A
Cited
US602522A
Cited
US756314A
Cited
US945880A
Cited
GB191207129A
Cited
US1386515A
Cited
US1534264A
Cited
US2021946A
Cited
US2313684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |