US1710473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket and bucket elevator and dredge
Assignee: ROPP TIN Ltd
•
Filing: 1927-06-08
•
Granted: 1929-04-23
•
Expires: 1947-06-08
Abstract
No abstract record available.
Inventors
- 👤 Cothay Frank Hernaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:44
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/12; E02F3/14; E02F3/144
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) | 1932-04-22 | 1932-10-22 | 1933-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-22 | 1936-10-22 | 1937-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-22 | 1940-10-22 | 1941-04-23 | $7700.00 | Window Closed / Lapsed |