US3069133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbo-expander-compressor units
Assignee: Individual
•
Filing: 1959-04-17
•
Granted: 1962-12-18
•
Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 Judson S Swearingen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0209; F01; F01D; F01D15/00; F01D15/005; F01D25/00; F01D25/18; F01D25/183; F04; F04D; F04D25/00; F04D25/02; F04D25/04; F16; F16N; F16N7/00; F16N7/36; F16N7/366; F25J3/0228; F25J3/0233; F25J3/0238; F25J3/0295; F25J2205/00; F25J2205/02; F25J2205/04; F25J2230/00; F25J2230/20; F25J2230/60; F25J2240/00; F25J2240/02; F25J2290/00; F25J2290/42
Claims Analysis
Total Claims: 0
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |