Patent US3053449A successfully refreshed from Google Patents.
US3053449A
Expired / Lapsed
US
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Electronic computer system
Assignee: Unisys Corp
•
Filing: 1955-03-04
•
Granted: 1962-09-11
•
Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 George G Hoberg
- 👤 Lucille E Mott
- 👤 John R Van Andel
- 👤 Edward W Veitch
- 👤 Richard C Weise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
G; G06; G06F; G06F15/00; G06F15/08; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/577; G05F3/00; G05F3/02; G05F3/04; G05F3/06; G06F1/00; G06F1/26; G11; G11C; G11C19/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |