US2637023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Object location apparatus with three-dimensional scalar representation
Assignee: Unisys Corp
•
Filing: 1947-03-28
•
Granted: 1953-04-28
•
Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 John L Peters
- 👤 Eric J Isbister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:38
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR733118A
Cited
US2417446A
Cited
US2412669A
Cited
US2514828A
Cited
US2426979A
Cited
GB573008A
Cited
US2403562A
Cited
US2430038A
Cited
US2434897A
Cited
US2408050A
Cited
US2361390A
Cited
US2477651A
Cited
US2459481A
Cited
US2459482A
Cited
US2480068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |