US3378084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth materials handling apparatus
Assignee: ULRICH FOUNDATION Inc
•
Filing: 1965-01-04
•
Granted: 1968-04-16
•
Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:50
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/7609; E02F3/7613
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2365677A
Cited
US2428131A
Cited
US2643472A
Cited
US2869254A
Cited
US2999697A
Cited
US3018573A
Cited
US3157099A
Cited
US3213553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |