Patent US3539014A successfully refreshed from Google Patents.
US3539014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road grading machine
Assignee: Brundell and Jonsson AB
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Filing: 1968-07-11
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Granted: 1970-11-10
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Expires: 1988-07-11
Abstract
No abstract record available.
Inventors
- 👤 Karl-Erik Arnold Jonsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:31
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/78; E02F3/786; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/085; E01C23/088; E01C23/0885; E01H; E01H5/00; E01H5/04; E01H5/08; E01H5/09; E01H5/094; E02F3/18; E02F3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |