Patent US3455039A successfully refreshed from Google Patents.
US3455039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary wheel ditch finishing machine
Assignee: RALPH C ANDREW
•
Filing: 1967-05-11
•
Granted: 1969-07-15
•
Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:21
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/08; Y; Y10; Y10S; Y10S37/00; Y10S37/907
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2669039A
Cited
US2679703A
Cited
US2782534A
Cited
US2872200A
Cited
US2935309A
Cited
US3015175A
Cited
US3130506A
Cited
US3181624A
Cited
US3132430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |