US3064289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic loading ramp
Assignee: Dover Corp
•
Filing: 1958-04-04
•
Granted: 1962-11-20
•
Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jack E Burch
- 👤 Kermit L Racely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:16
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)
US1925461A
Cited
US2602944A
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US2700169A
Cited
US2527653A
Cited
US2739325A
Cited
GB726124A
Cited
US2751615A
Cited
US2994894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |