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US2766068A
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Assignee: Airkem Inc
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Filing: 1953-09-25
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Granted: 1956-10-09
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Expires: 1973-09-25
Abstract
No abstract record available.
Inventors
- 👤 Cuillery Fernando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:14
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/10; A61K9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US759030A
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US1114660A
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US1737643A
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CH133029A
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FR775248A
Cited
US2271156A
Cited
US2271943A
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US2522057A
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 |