US3050152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoists
Assignee: Individual
•
Filing: 1960-11-01
•
Granted: 1962-08-21
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Willard E Blain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:38
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/35; B66F11/00; B66F11/04; F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; F15B15/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |