Patent US3898351A successfully refreshed from Google Patents.
Patent US3398472A successfully refreshed from Google Patents.
US3398472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side or front dumping excavating bucket with frusto-conical chutes
Assignee: TAGE NILS WILHELM LEIJON
•
Filing: 1966-06-13
•
Granted: 1968-08-27
•
Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 Leijon Tage Nils Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:30
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/345; E02F3/36; E02F3/40; E02F3/401
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3034237A
Cited
US2924345A
Cited
US3022910A
Cited
US3268101A
Cited
US3312364A
Cited
FR1380823A
Cited
US3223262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |