Patent US2941735A successfully refreshed from Google Patents.
US2941735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin chuck
Assignee: EIDP Inc
•
Filing: 1955-12-13
•
Granted: 1960-06-21
•
Expires: 1975-12-13
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel C Wyeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:52
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/245; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1016; Y10T279/1083
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US239518A
Cited
US1478789A
Cited
US1558561A
Cited
GB261853A
Cited
US1967763A
Cited
FR935705A
Cited
US2636696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |