US2843270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating conditioner
Assignee: Individual
•
Filing: 1956-05-11
•
Granted: 1958-07-15
•
Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jorge A Acosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:06
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/009; B01D21/01; B01D21/02; B01D21/04; B01D21/24; B01D21/2405; B01D21/2427; B01D21/2433; B01D21/2438; B01D21/245; B01D21/2461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237172A
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US1612557A
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US1662720A
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GB390989A
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US2137421A
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US2135442A
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US2211565A
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US2220574A
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US2517117A
Cited
US2491912A
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US2635104A
Cited
US2759607A
Cited
US2813074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |