Patent US2841301A successfully refreshed from Google Patents.
US2841301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil handling device
Assignee: Doosan Bobcat North America Inc
•
Filing: 1956-03-06
•
Granted: 1958-07-01
•
Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Sherriff Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:52
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/185; Y; Y10; Y10S; Y10S414/00; Y10S414/121
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1605273A
Cited
US1868562A
Cited
US2135890A
Cited
US2206121A
Cited
US2696920A
Cited
US2687226A
Cited
US2711832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |