US3044683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure control for turbochargers
Assignee: Schwitzer Corp
•
Filing: 1960-01-18
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Granted: 1962-07-17
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Woollenweber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:37
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; F02B37/183; F02B37/16; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F04D27/0215; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984013A
Cited
US2172809A
Cited
US2173595A
Cited
GB504263A
Cited
US2379455A
Cited
US2559623A
Cited
GB807071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |