Patent US2534252A successfully refreshed from Google Patents.
US2534252A
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Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1947-08-12
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Granted: 1950-12-19
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Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Engler Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:58
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/02; B29B15/04; B29K; B29K2021/00; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2023/00; B29L2023/24; B29L2023/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310436A
Cited
US1311392A
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US1188694A
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US1190744A
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US1628203A
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US2035682A
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US2186286A
Cited
US2254596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |