US2640662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread tensioning device
Assignee: Individual
•
Filing: 1951-09-04
•
Granted: 1953-06-02
•
Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Strake Lambertus Te
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:18
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/26; B65H59/28; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828203A
Cited
US1375568A
Cited
US1403454A
Cited
US1459332A
Cited
US2102109A
Cited
US2283767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |