US3429453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane installations particularly for freighters
Assignee: VEB WARNOWWERFT WARNEMUNDE
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Filing: 1967-10-25
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Granted: 1969-02-25
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Otto Kahle
- 👤 Ralf Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
B; B66; B66C; B66C19/00; B66C17/00; B66C2700/00; B66C2700/01
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |