Patent US2623910A successfully refreshed from Google Patents.
US2623910A
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Chlorinated aromatic compounds
Assignee: Sprague Electric Co
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Filing: 1947-04-26
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Granted: 1952-12-30
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Expires: 1967-04-26
Abstract
No abstract record available.
Inventors
- 👤 Robinson Preston
- 👤 Colin C Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:49
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; C07C17/266; C07C25/00; C07C25/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A MIXTURE OF CHLORINATED AROMATIC COMPOUNDS CONFORMING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
A MIXTURE OF CHLORINATED AROMATIC COMPOUNDS CONFORMING TO THE GENERAL FORMULA
References Cited (Backward Citations)
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Cited
US2033612A
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US2171855A
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US2186366A
Cited
US2244284A
Cited
US2193823A
Cited
US2233404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |