Patent US3237667A successfully refreshed from Google Patents.
Patent US2963183A successfully refreshed from Google Patents.
US2963183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling machines having boom with detachable tool
Assignee: Warner and Swasey Co
•
Filing: 1957-09-25
•
Granted: 1960-12-06
•
Expires: 1977-09-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Przybylski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:54
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/3604; E02F3/3609; E02F3/3627; E02F3/3645; E02F3/3668; E02F3/3672
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |