Patent US2592104A successfully refreshed from Google Patents.
US2592104A
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US
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Assignee: Individual
•
Filing: 1947-11-14
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Granted: 1952-04-08
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Expires: 1967-11-14
Abstract
No abstract record available.
Inventors
- 👤 Haig M Arakelian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US550073A
Cited
US953607A
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US1250275A
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US1366147A
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US1773797A
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US2339703A
Cited
US2413991A
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US2409705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |