US1999841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power take-off shaft
Assignee: Case LLC
•
Filing: 1932-08-29
•
Granted: 1935-04-30
•
Expires: 1952-08-29
Abstract
No abstract record available.
Inventors
- 👤 Wallace F Macgregor
- 👤 Norman R Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:22
CPC Classifications
A; A01; A01B; A01B61/00; A01B61/02; A01B61/025; F; F16; F16C; F16C3/00; F16C3/02; F16C3/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-04-29 | 1938-10-29 | 1939-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-29 | 1942-10-29 | 1943-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-29 | 1946-10-29 | 1947-04-30 | $7700.00 | Window Closed / Lapsed |