US2159045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled scraper
Assignee: Caterpillar Global Mining LLC
•
Filing: 1937-03-15
•
Granted: 1939-05-23
•
Expires: 1957-03-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Paulsen
- 👤 Horace C Beitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:19
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/652; E02F3/6454; E02F3/6463; E02F3/654; E02F3/656
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |