Patent US2970786A successfully refreshed from Google Patents.
US2970786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic roll winder
Assignee: Beloit Iron Works Inc
•
Filing: 1958-05-22
•
Granted: 1961-02-07
•
Expires: 1978-05-22
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
- 👤 Gerald W Karr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:24
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2238; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/418; B65H2301/4181; B65H2301/41814; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2313
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1532753A
Cited
US1852827A
Cited
US2155431A
Cited
US2586832A
Cited
US2668675A
Cited
US2736508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |