US3022235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: General Electric Co
•
Filing: 1956-10-31
•
Granted: 1962-02-20
•
Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Brown Dale Henry
- 👤 Leiby David Wilbur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:14
CPC Classifications
F; F01; F01K; F01K7/00; F01K7/16; F01K7/18; F01K7/20; G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21D; G21D3/00; G21D3/08; G21D3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1021257A
Cited
US1049809A
Cited
US1085157A
Cited
US1154594A
Cited
US1704403A
Cited
US1777461A
Cited
US2294753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |