US2669427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor hoist
Assignee: Individual
•
Filing: 1951-05-28
•
Granted: 1954-02-16
•
Expires: 1971-05-28
Abstract
No abstract record available.
Inventors
- 👤 Dowrelio Antone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:24
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/60; B66D1/72; B66D1/74; B66D1/7442; B66D1/7447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1636944A
Cited
US1912366A
Cited
US2278022A
Cited
US2397507A
Cited
US2522377A
Cited
US2626126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |