US2196494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Honeywell Inc
•
Filing: 1938-03-25
•
Granted: 1940-04-09
•
Expires: 1958-03-25
Abstract
No abstract record available.
Inventors
- 👤 Frank C Gibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/138; F; F24; F24F; F24F11/00; F24F11/30; F24F11/62; F24F11/70; F24F11/80; F24F11/81
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-04-09 | 1943-10-09 | 1944-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-09 | 1947-10-09 | 1948-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-09 | 1951-10-09 | 1952-04-09 | $7700.00 | Window Closed / Lapsed |