US2265294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Honeywell Inc
•
Filing: 1939-02-16
•
Granted: 1941-12-09
•
Expires: 1959-02-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23Q; F23Q9/00; F23Q9/08; F23Q9/12; Y; Y10; Y10T; Y10T137/00; Y10T137/1407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |