US2442383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun fire control prediction computer
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1942-05-30
•
Granted: 1948-06-01
•
Expires: 1962-05-30
Abstract
No abstract record available.
Inventors
- 👤 Duncan J Stewart
- 👤 Howard D Colman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:07
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1849611A
Cited
US1387551A
Cited
US1345697A
Cited
US1811688A
Cited
US1697166A
Cited
US1732718A
Cited
US1632976A
Cited
US2027926A
Cited
US2009264A
Cited
DE612618C
Cited
US2065303A
Cited
DE634862C
Cited
US2235826A
Cited
US2313136A
Cited
US2283922A
Cited
US2333605A
Cited
US2389861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |