US3519147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship loading and unloading
Assignee: Individual
•
Filing: 1968-04-01
•
Granted: 1970-07-07
•
Expires: 1988-04-01
Abstract
No abstract record available.
Inventors
- 👤 Fedde Walda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:37
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/002; B63B25/004; B63B27/00; B63B27/22; B65; B65G; B65G63/00; B65G63/002; B65G63/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |