Patent US2918030A successfully refreshed from Google Patents.
US2918030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship salvage apparatus
Assignee: Individual
•
Filing: 1957-02-28
•
Granted: 1959-12-22
•
Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth P Bagnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:07
CPC Classifications
B; B63; B63C; B63C7/00; B63C7/06; B63C7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1320012A
Cited
US557396A
Cited
US357657A
Cited
US719654A
Cited
US1014546A
Cited
US1255512A
Cited
US1303910A
Cited
US1621458A
Cited
US1772709A
Cited
US2320111A
Cited
US2768601A
Cited
US2701886A
Cited
US2711868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |