US2765871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catchall separator for an evaporator
Assignee: Goslin-Birmingham Manuf Co
•
Filing: 1953-02-12
•
Granted: 1956-10-09
•
Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Mair James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:11
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D1/00; B01D1/30; B01D1/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1033580A
Cited
US1783813A
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US1795695A
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US2399842A
Cited
US2424122A
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US2590480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |