Patent US2907501A successfully refreshed from Google Patents.
US2907501A
Expired / Lapsed
US
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Discharge and mixing device
Assignee: Union Carbide Corp
•
Filing: 1958-01-23
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Granted: 1959-10-06
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Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Laird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/80; B01F25/82; B01F25/821; B01F25/8211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US413720A
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US670222A
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US699621A
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US1121328A
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US2315915A
Cited
US2598388A
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US2741464A
Cited
US2805802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |