Patent US2698491A successfully refreshed from Google Patents.
US2698491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulldozer blade stabilizing attachment
Assignee: Individual
•
Filing: 1949-11-18
•
Granted: 1955-01-04
•
Expires: 1969-11-18
Abstract
No abstract record available.
Inventors
- 👤 George H Felt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/841
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877777A
Cited
US2085944A
Cited
US2029122A
Cited
US2173406A
Cited
US2130274A
Cited
US2177871A
Cited
US2203941A
Cited
US2224725A
Cited
US2483033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |