US2453055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine seal
Assignee: PELTON WATER WHEEL Co
•
Filing: 1946-07-29
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Granted: 1948-11-02
•
Expires: 1966-07-29
Abstract
No abstract record available.
Inventors
- 👤 White Ira Morgan
- 👤 Hilding E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:46
CPC Classifications
F; F03; F03B; F03B11/00; F03B11/006; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |