Patent US2004153A successfully refreshed from Google Patents.
US2004153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for winding thread on a bobbin
Assignee: DuPont Rayon Co
•
Filing: 1931-10-22
•
Granted: 1935-06-11
•
Expires: 1951-10-22
Abstract
No abstract record available.
Inventors
- 👤 Brainard Seymour Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:24
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/46; 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) | 1938-06-10 | 1938-12-10 | 1939-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-10 | 1942-12-10 | 1943-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-10 | 1946-12-10 | 1947-06-11 | $7700.00 | Window Closed / Lapsed |