Patent US3015524A successfully refreshed from Google Patents.
US3015524A
Expired / Lapsed
US
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Inverted turbine
Assignee: Owens Corning
•
Filing: 1958-11-19
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Granted: 1962-01-02
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Arthur A Fowle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:05
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/22; F01D25/16; F01D25/162; F01D5/00; F01D5/02; F01D5/03; F02; F02C; F02C3/00; F02C3/04; F02C3/06; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C2360/00; F16C2360/23; 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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |