Patent US1742731A successfully refreshed from Google Patents.
Patent US2236497A successfully refreshed from Google Patents.
US2565293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: General Electric Co
•
Filing: 1950-03-31
•
Granted: 1951-08-21
•
Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 John C Aydelott
- 👤 George W Bower
- 👤 George M Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:08
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/02; B60L; B60L50/00; B60L50/10; B60L50/11; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |