US3386601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoisting sling having fusible connection and method for charging materials into a furnace
Assignee: Individual
•
Filing: 1966-09-02
•
Granted: 1968-06-04
•
Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Tezuka Kunitoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:45
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0027; F27D3/0028; B; B30; B30B; B30B9/00; B30B9/32; B30B9/328; F27D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3061016A
Cited
US3339965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |