US2407965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller
Assignee: L B SMITH Inc
•
Filing: 1943-05-04
•
Granted: 1946-09-17
•
Expires: 1963-05-04
Abstract
No abstract record available.
Inventors
- 👤 Luther B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/27
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) | 1949-09-16 | 1950-03-18 | 1950-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-16 | 1954-03-18 | 1954-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-16 | 1958-03-18 | 1958-09-17 | $7700.00 | Window Closed / Lapsed |