Patent US2458045A successfully refreshed from Google Patents.
US2458045A
Expired / Lapsed
US
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Blower unit and assembly
Assignee: Individual
•
Filing: 1945-01-23
•
Granted: 1949-01-04
•
Expires: 1965-01-23
Abstract
No abstract record available.
Inventors
- 👤 Everett N Angus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:52
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/20; F26B21/25; F26B21/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1404614A
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US1513639A
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US1471559A
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US1578027A
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Cited
US1995675A
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US2047156A
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US2117416A
Cited
US2280704A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |