Patent US3547782A successfully refreshed from Google Patents.
US3547782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coked charge receiving carriage,especially for use in connection with coke oven batteries
Assignee: Dr C Otto and Co GmbH
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Filing: 1968-07-30
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Granted: 1970-12-15
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Expires: 1988-07-30
Abstract
No abstract record available.
Inventors
- 👤 Erich Schon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:43
CPC Classifications
C; C10; C10B; C10B39/00; C10B39/04; C10B39/10; C10B39/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |