US3382838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device on the propeller installation for boats
Assignee: Volvo Penta AB
•
Filing: 1967-01-10
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Granted: 1968-05-14
•
Expires: 1987-01-10
Abstract
No abstract record available.
Inventors
- 👤 Bergstedt Karl Abdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:40
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1966; Y10T74/19665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732819A
Cited
CA589170A
Cited
CA589168A
Cited
GB436707A
Cited
US2114633A
Cited
US3094097A
Cited
US3175530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |