US2965407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective elements displaceable on a lifting sling
Assignee: Individual
•
Filing: 1958-04-02
•
Granted: 1960-12-20
•
Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Meisen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:45
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/122; E; E21; E21B; E21B31/00; E21B31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416284A
Cited
US1699114A
Cited
US1877793A
Cited
US2289378A
Cited
US2611211A
Cited
AT185955B
Cited
US2793904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |