US2843841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage system
Assignee: INTERNATIONAL TELEMETER CORP
•
Filing: 1954-09-20
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Granted: 1958-07-15
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Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Gilbert W King
- 👤 Edwin L Hughes
- 👤 George W Brown
- 👤 Louis N Ridenour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:16
CPC Classifications
G; G06; G06F; G06F12/00; G06F12/02; G06F12/06; G06F12/0638; Y; Y10; Y10S; Y10S707/00; Y10S707/99931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2474438A
Cited
US2580768A
Cited
US2659072A
Cited
US2549071A
Cited
US2533242A
Cited
US2702380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |