Patent US3045990A successfully refreshed from Google Patents.
US3045990A
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US
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Assignee: Individual
•
Filing: 1959-04-10
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Granted: 1962-07-24
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas J Keenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:10
CPC Classifications
F; F23; F23J; F23J11/00; B; B01; B01D; B01D47/00; B01D47/02; B01D47/021; B01D47/024; B01D47/06; F23J15/00; F23J15/02; F23J15/04; F23L; F23L17/00; F23L17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |