US3472357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper conveyor apparatus
Assignee: Gustav Schade Maschinenfabrik GmbH and Co
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Filing: 1967-07-03
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Granted: 1969-10-14
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Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Gunther Strocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:47
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/28; B65G65/02; B65G65/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |