Patent US2833187A successfully refreshed from Google Patents.
US2833187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road patching machine
Assignee: Individual
•
Filing: 1954-11-01
•
Granted: 1958-05-06
•
Expires: 1974-11-01
Abstract
No abstract record available.
Inventors
- 👤 Ira M Wells
- 👤 Howard A Olds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:37
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US46287A
Cited
US623775A
Cited
USRE16265E
Cited
US1350502A
Cited
US1546185A
Cited
US1820297A
Cited
US1965881A
Cited
US2265358A
Cited
US2257637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |