US3390785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane with twin motor winch
Assignee: Pettibone Traverse Lift LLC
•
Filing: 1966-04-18
•
Granted: 1968-07-02
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 William J Lado
- 👤 Brown Wilburn Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:26
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/08; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US647239A
Cited
GB184455A
Cited
US2638875A
Cited
FR1116758A
Cited
US2903852A
Cited
US3045836A
Cited
US2953903A
Cited
US3161022A
Cited
US3249336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |