US2882687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed circuit turbines
Assignee: Motors Liquidation Co
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Filing: 1957-12-30
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Granted: 1959-04-21
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Paul M Stivender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
F; F01; F01K; F01K9/00; F01K9/003; F02; F02C; F02C6/00; F02C6/18; F02C7/00; F02C7/08; F02C9/00; F02C9/16; F02C9/18
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |