Patent US3307221A successfully refreshed from Google Patents.
US3307221A
Expired / Lapsed
US
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Mold for making insulated rocket motor nozzles
Assignee: ATK Launch Systems LLC
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Filing: 1963-11-12
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Granted: 1967-03-07
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Bolner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:26
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; B; B29; B29C; B29C67/00; B29C67/0014; Y; Y10; Y10S; Y10S425/00; Y10S425/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1589913A
Cited
US1702278A
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US2158044A
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US2122960A
Cited
US2777162A
Cited
US2995776A
Cited
US3209057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |