Patent US2569912A successfully refreshed from Google Patents.
US2569912A
Expired / Lapsed
US
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Rope sling
Assignee: Individual
•
Filing: 1947-10-27
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Granted: 1951-10-02
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Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 Andersen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:17
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; F; F16; F16G; F16G11/00; F16G11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1063738A
Cited
US1168802A
Cited
US1184891A
Cited
US2152096A
Cited
US2277424A
Cited
US2448463A
Cited
US2435088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |