US2594731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for displaying magnetically stored data
Assignee: Teleregister Corp
•
Filing: 1949-07-14
•
Granted: 1952-04-29
•
Expires: 1969-07-14
Abstract
No abstract record available.
Inventors
- 👤 John J Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2267827A
Cited
US2314920A
Cited
US2378383A
Cited
US2403890A
Cited
US2444950A
Cited
GB621752A
Cited
GB621872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |