US3018010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for digging machines
Assignee: Warner and Swasey Co
•
Filing: 1957-10-23
•
Granted: 1962-01-23
•
Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Przybylski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:34
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/003; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/36; E02F3/42; E02F3/425; E02F9/02; E02F9/08; E02F9/0808; E02F9/085; E02F9/10; E02F9/12; E02F9/121; E02F9/123
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |