US2897351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing for the existence of signals in the presence of overriding noise
Assignee: Individual
•
Filing: 1953-03-02
•
Granted: 1959-07-28
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Ben S Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:51
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1463386A
Cited
US1740833A
Cited
US2117680A
Cited
US2510139A
Cited
US2476639A
Cited
US2520297A
Cited
US2508565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |