US2589880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittently used power take-off
Assignee: Individual
•
Filing: 1950-06-12
•
Granted: 1952-03-18
•
Expires: 1970-06-12
Abstract
No abstract record available.
Inventors
- 👤 Richard H Sheppard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:41
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/001; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/18; F16H3/02; F16H3/20; F16H3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |