US2673342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable chassis
Assignee: Eckert Mauchly Computer Corp
•
Filing: 1949-12-02
•
Granted: 1954-03-23
•
Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Sims
- 👤 Jr John Presper Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:50
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/867; H04; H04N; H04N5/00; H04N5/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404764A
Cited
US2181132A
Cited
US2292919A
Cited
US2403239A
Cited
US2440260A
Cited
US2534369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |