US2800299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzlebox structure for high temperature steam turbine
Assignee: General Electric Co
•
Filing: 1955-09-30
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Granted: 1957-07-23
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Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Sheppard Raymond
- 👤 George E Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |