US2549182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road roller
Assignee: SOUTHWEST PAVING Co
•
Filing: 1945-10-15
•
Granted: 1951-04-17
•
Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Edward D Ekenstam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:05
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336440A
Cited
US572447A
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US1313095A
Cited
FR421438A
Cited
US1035335A
Cited
US1246696A
Cited
US1299178A
Cited
US1357571A
Cited
US2245865A
Cited
US2440585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |