US3438308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist ram control apparatus
Assignee: Cascade Corp
•
Filing: 1966-09-12
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Granted: 1969-04-15
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Nutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/01; B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/20; B66F9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676573A
Cited
US2785660A
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US3068596A
Cited
US3127688A
Cited
US3168010A
Cited
US3150568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |