US2391779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbocompressor
Assignee: Individual
•
Filing: 1942-10-05
•
Granted: 1945-12-25
•
Expires: 1962-10-05
Abstract
No abstract record available.
Inventors
- 👤 Griffith Alan Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/06; F02C3/067; F01; F01D; F01D15/00; F01D15/08; F01D3/00; F01D3/02; F01D5/00; F01D5/02; F01D5/04; F01D5/041; F02C3/073; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F04; F04D; F04D17/00; F04D17/02; F04D19/00; F04D19/02; F04D19/022; F04D25/00; F04D25/02; F04D25/04; F04D25/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-24 | 1949-06-25 | 1949-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-24 | 1953-06-25 | 1953-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-24 | 1957-06-25 | 1957-12-25 | $7700.00 | Window Closed / Lapsed |