US2623692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical fire control calculating apparatus
Assignee: AC Cossor Ltd
•
Filing: 1943-11-30
•
Granted: 1952-12-30
•
Expires: 1963-11-30
Abstract
No abstract record available.
Inventors
- 👤 Bedford Leslie Herbert
- 👤 Bell John
- 👤 Langham Eric Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:04
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/22; G06G7/48; G06G7/80
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |