US3509985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor loading and unloading apparatus
Assignee: Gustav Schade Maschinenfabrik GmbH and Co
•
Filing: 1968-03-15
•
Granted: 1970-05-05
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Expires: 1988-03-15
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Julius Konrad Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:18
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/28; B65G65/02; B65G65/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE615973C
Cited
US2423279A
Cited
GB762278A
Cited
US3184038A
Cited
US3308972A
Cited
US3334759A
Cited
DE1229913B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |