US3039737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling clearance between rotor and shroud of a turbine
Assignee: International Motors LLC
•
Filing: 1959-04-13
•
Granted: 1962-06-19
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr C Paul Kolthoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:10
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/14; F01D11/20; F01D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US899319A
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US990781A
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GB301298A
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US2297852A
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US2494178A
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US2819869A
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US2928652A
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GB791568A
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US2896906A
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DE1025900B
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US3039738A
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |