US2671613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical gun directing system
Assignee: Unisys Corp
•
Filing: 1943-04-19
•
Granted: 1954-03-09
•
Expires: 1963-04-19
Abstract
No abstract record available.
Inventors
- 👤 William W Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:24
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1322153A
Cited
USRE16734E
Cited
US865247A
Cited
US1345697A
Cited
US1345703A
Cited
US1472590A
Cited
GB167191A
Cited
US1778201A
Cited
US1939675A
Cited
US2105985A
Cited
US2251973A
Cited
US2235826A
Cited
US2206875A
Cited
US2251155A
Cited
US2231929A
Cited
US2256787A
Cited
US2244369A
Cited
US2366658A
Cited
US2324797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |