US2471393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control instrument
Assignee: Honeywell Inc
•
Filing: 1946-08-31
•
Granted: 1949-05-24
•
Expires: 1966-08-31
Abstract
No abstract record available.
Inventors
- 👤 John A Caldwell
- 👤 Jr William H Wannamaker
- 👤 Gregor W Kuntny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:14
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1821273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |