Patent US3418884A successfully refreshed from Google Patents.
US3418884A
Expired / Lapsed
US
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Cavity shaping machine
Assignee: ATK Launch Systems LLC
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Filing: 1967-01-05
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Granted: 1968-12-31
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Expires: 1987-01-05
Abstract
No abstract record available.
Inventors
- 👤 Baumgartner Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:11
CPC Classifications
B; B23; B23B; B23B41/00; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/5041; Y10T409/504756; Y10T409/506232; Y10T409/508036; Y10T409/5082; Y10T409/508364; Y10T82/00; Y10T82/12
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |