US3301313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic driving means for operating hatch covers
Assignee: Goetaverken AB
•
Filing: 1964-01-23
•
Granted: 1967-01-31
•
Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Schurink Herbert Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/14; B63B19/19; B63B19/197
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24238E
Cited
US2276338A
Cited
US2737254A
Cited
US3154922A
Cited
US3056386A
Cited
US3173257A
Cited
US3164959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |