Patent US3357896A successfully refreshed from Google Patents.
US3357896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decaking of caking coals
Assignee: Individual
•
Filing: 1966-01-25
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Granted: 1967-12-12
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Gasior
- 👤 Albert J Forney
- 👤 Joseph H Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:33
CPC Classifications
C; C10; C10B; C10B49/00; C10B49/02; C10L; C10L9/00; C10L9/02; C10L9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229637A
Cited
GB114971A
Cited
US1423134A
Cited
US1783983A
Cited
GB320918A
Cited
GB505729A
Cited
US2261075A
Cited
US2729598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |