US2671386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating roller
Assignee: Stothert and Pitt Ltd
•
Filing: 1950-06-28
•
Granted: 1954-03-09
•
Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Kerridge Norman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/28; E01C19/282; E01C19/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1190257A
Cited
US1350050A
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US1591928A
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US1615052A
Cited
US1819866A
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US2078290A
Cited
US2248478A
Cited
US2244967A
Cited
US2473800A
Cited
GB588506A
Cited
US2514593A
Cited
US2519019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |