US3477598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log handling device
Assignee: CLARK E HASSELL
•
Filing: 1967-08-28
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Granted: 1969-11-11
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Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Clark E Hassell
- 👤 Lowernze D Dobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:41
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/02; B65G7/12
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |