Patent US4440424A successfully refreshed from Google Patents.
Patent US2802181A successfully refreshed from Google Patents.
US2802181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal amplitude measuring system
Assignee: Lanteris Space LLC
•
Filing: 1952-07-30
•
Granted: 1957-08-06
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Gorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:48
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2324215A
Cited
US2316044A
Cited
US2423263A
Cited
US2320175A
Cited
US2360523A
Cited
US2544226A
Cited
US2552348A
Cited
US2453958A
Cited
US2493336A
Cited
US2498103A
Cited
US2676300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |