US3063742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic coupling
Assignee: Doosan Bobcat North America Inc
•
Filing: 1958-07-30
•
Granted: 1962-11-13
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:11
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H2041/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA498108A
Cited
US1233168A
Cited
GB336589A
Cited
US2595787A
Cited
US2688856A
Cited
US2723136A
Cited
US2748715A
Cited
US2784675A
Cited
US2699656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |