US3386299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed power transmission
Assignee: Cowles Dissolver Co Inc
•
Filing: 1965-10-20
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Granted: 1968-06-04
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Donald J Brown
- 👤 Jerry C Hanlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:43
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189294A
Cited
US2378375A
Cited
US2577913A
Cited
US2573937A
Cited
US2742794A
Cited
US2970493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |