Patent US2149711A successfully refreshed from Google Patents.
Patent US1982729A successfully refreshed from Google Patents.
US1982729A
Expired / Lapsed
US
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Roller
Assignee: Caterpillar Inc
•
Filing: 1932-07-25
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Granted: 1934-12-04
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Expires: 1952-07-25
Abstract
No abstract record available.
Inventors
- 👤 Harmon S Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/14; B62D55/15; Y; Y10; Y10S; Y10S277/00; Y10S277/907
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) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |