US3527880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pseudo stereo-optical observation means
Assignee: McDonnell Douglas Corp
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Filing: 1967-01-25
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Granted: 1970-09-08
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Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:11
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/18; H04N13/00; H04N13/30; H04N13/332; H04N13/334; H04N5/00; H04N5/76; H04N5/78; H04N5/782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |