US2949654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist cable retainer
Assignee: US Electrical Motors Inc
•
Filing: 1957-01-08
•
Granted: 1960-08-23
•
Expires: 1977-01-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:38
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; F; F16; F16B; F16B45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE100257C
Cited
US112635A
Cited
US330991A
Cited
US1728930A
Cited
GB246714A
Cited
US1729940A
Cited
US1798403A
Cited
US2333925A
Cited
US2704681A
Cited
US2764048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |