Patent US2084011A successfully refreshed from Google Patents.
US2611532A
Expired / Lapsed
US
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Turbine driven compressor
Assignee: Individual
•
Filing: 1945-09-22
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Granted: 1952-09-23
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Expires: 1965-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ljungstrom Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3023; F01D5/303; F01D5/3038; F01D11/00; F01D11/02; F01D5/3069; F02; F02C; F02C3/00; F02C3/04; F02C3/06; F02C3/067; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |