US3477302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutches
Assignee: Harry Ferguson Research Ltd
•
Filing: 1967-05-03
•
Granted: 1969-11-11
•
Expires: 1987-05-03
Abstract
No abstract record available.
Inventors
- 👤 Oswald Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:27
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/12; F16H48/16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/52; F16D41/00; F16D41/22; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |