US2590491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Westinghouse Electric Corp
•
Filing: 1945-07-02
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Granted: 1952-03-25
•
Expires: 1965-07-02
Abstract
No abstract record available.
Inventors
- 👤 Waldemar I Bendz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:02
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/02; B21B39/08; B21B37/00; B21B37/48; B21B37/52; B21B37/54; B21B1/00; B21B1/22; B21B1/30; B21B1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865410A
Cited
US2214617A
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US2214355A
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US2325381A
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US2363684A
Cited
US2401147A
Cited
US2437973A
Cited
US2444248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |