US2670168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding hook
Assignee: Individual
•
Filing: 1949-09-19
•
Granted: 1954-02-23
•
Expires: 1969-09-19
Abstract
No abstract record available.
Inventors
- 👤 Magnan Lucien
- 👤 Switzman Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
D; D06; D06F; D06F57/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596904A
Cited
US1207401A
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US1333326A
Cited
US1613477A
Cited
US1749181A
Cited
US1937571A
Cited
US1810868A
Cited
US2131416A
Cited
US2229898A
Cited
US2495804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |