Patent US3485460A successfully refreshed from Google Patents.
US3485460A
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US
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Variable drag ogive
Assignee: Avco Corp
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Filing: 1968-02-19
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Granted: 1969-12-23
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Expires: 1988-02-19
Abstract
No abstract record available.
Inventors
- 👤 William J Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:10
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153460A
Cited
US1760685A
Cited
US2922366A
Cited
US3048110A
Cited
US3179052A
Cited
US3347491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |