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Patent US2894692A successfully refreshed from Google Patents.
US2894692A
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Assignee: ATK Launch Systems LLC
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Filing: 1957-01-25
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Granted: 1959-07-14
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Expires: 1977-01-25
Abstract
No abstract record available.
Inventors
- 👤 James D Ledbetter
- 👤 Iii Hartmann J Kircher
- 👤 Raymond J Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:11
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/978; F02K9/80; F02K9/86
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) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |