Patent US2158607A successfully refreshed from Google Patents.
US2158607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread drawing off device on double twist twisting machines
Assignee: Oerlikon Barmag AG
•
Filing: 1938-02-25
•
Granted: 1939-05-16
•
Expires: 1958-02-25
Abstract
No abstract record available.
Inventors
- 👤 Bochmann Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:13
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/18; B65H49/20; B65H49/24; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-15 | 1942-11-14 | 1943-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-15 | 1946-11-14 | 1947-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-15 | 1950-11-14 | 1951-05-16 | $7700.00 | Window Closed / Lapsed |