US2967246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving field scanner
Assignee: North American Aviation Corp
•
Filing: 1952-02-18
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Granted: 1961-01-03
•
Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Ostergren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:56
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/08; G02B26/10; G02B26/108; G02B26/0875
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2462925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |