US2828156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choker hook
Assignee: ISAACSON IRON WORKS
•
Filing: 1955-02-07
•
Granted: 1958-03-25
•
Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:18
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/14; F16G11/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB166684A
Cited
US1651081A
Cited
US1675778A
Cited
US1615528A
Cited
US1764135A
Cited
US2135994A
Cited
US2503151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |