US3069709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dockboards
Assignee: Magline Inc
•
Filing: 1954-01-14
•
Granted: 1962-12-25
•
Expires: 1974-01-14
Abstract
No abstract record available.
Inventors
- 👤 Don C Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:04
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387308A
Cited
US427648A
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US1606588A
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US1754939A
Cited
US1726267A
Cited
US2149548A
Cited
US2129503A
Cited
GB513358A
Cited
US2496445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |