US2582916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharging and fuel heating system for internal-combustion engines
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1947-01-31
•
Granted: 1952-01-15
•
Expires: 1967-01-31
Abstract
No abstract record available.
Inventors
- 👤 Taub Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:36
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; F01; F01D; F01D25/00; F01D25/08; F01D25/12; F01D25/125; F02B33/00; F02B33/44; F02B33/443; F02B39/00; F02B39/005; F05; F05D; F05D2220/00; F05D2220/40; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1447975A
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US1680373A
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US1612053A
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US1816737A
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US1860449A
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US2159422A
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US2164451A
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US2297235A
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US2434726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |