US2824172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling apparatus
Assignee: RCA Corp
•
Filing: 1950-08-14
•
Granted: 1958-02-18
•
Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 William H Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:44
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/12; H04J; H04J3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2285164A
Cited
US2525089A
Cited
US2273548A
Cited
US2541076A
Cited
US2513159A
Cited
US2605360A
Cited
US2575047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |