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US3031701A
Expired / Lapsed
US
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Mechanical dockboard
Assignee: Beacon Machinery Inc
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Filing: 1958-11-03
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Granted: 1962-05-01
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frank W Fenton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:45
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2835; B65G69/2841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1091835A
Cited
US1112543A
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US2714735A
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US2639450A
Cited
GB726124A
Cited
US2751615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |