US2884616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple character comparator
Assignee: RCA Corp
•
Filing: 1954-04-30
•
Granted: 1959-04-28
•
Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Stephen M Fillebrown
- 👤 Grant W Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:57
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F7/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318591A
Cited
US2580768A
Cited
FR1005754A
Cited
US2623171A
Cited
US2589130A
Cited
GB688049A
Cited
FR1040913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |