US2854901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera and mirror arrangement
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1955-04-26
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Granted: 1958-10-07
•
Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 George H Fathauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:48
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/50; H04N23/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1301538A
Cited
GB309137A
Cited
US1959498A
Cited
US2071044A
Cited
US2174931A
Cited
US2488177A
Cited
US2402822A
Cited
US2553903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |