US3420389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic locking mechanism for a rotary load carrier in a storage system
Assignee: Euclid Crane and Hoist Co
•
Filing: 1966-09-29
•
Granted: 1969-01-07
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Gustetic
- 👤 Charles B Boytz
- 👤 Henry Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:15
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/0407; B66; B66F; B66F9/00; B66F9/06; B66F9/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US763976A
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US1210288A
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US2553378A
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US2699247A
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US2910204A
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US3029959A
Cited
US3202242A
Cited
US3268097A
Cited
US3275171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |