US3520071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthesiological training simulator
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1968-01-29
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Granted: 1970-07-14
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Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Stephen Abrahamson
- 👤 Judson S Denson
- 👤 Alfred P Clark
- 👤 Leonard Taback
- 👤 Tullio Ronzoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/60; G09; G09B; G09B23/00; G09B23/28; G09B23/30; G09B23/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3027655A
Cited
US3209469A
Cited
US3451144A
Cited
US3276147A
Cited
US3399467A
Cited
US3422965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |