US3487910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper and conveyor apparatus
Assignee: Gustav Schade Maschinenfabrik GmbH and Co
•
Filing: 1967-07-03
•
Granted: 1970-01-06
•
Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Gunther Strocker
- 👤 Gerhard Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:25
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/02; B65G65/06; B65G65/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US570876A
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US1311298A
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US685026A
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US892593A
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US2670070A
Cited
US2769526A
Cited
US3351180A
Cited
US3297141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |