US2821593A
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Assignee: Aerojet Rocketdyne Inc
•
Filing: 1952-09-02
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Granted: 1958-01-28
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Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John J Sogorka
- 👤 Joseph J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2628; H01H35/2635; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1680428A
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US1414913A
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US1676155A
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US2322229A
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US2211700A
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US2367215A
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US2411577A
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US2395007A
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US2471838A
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US2500457A
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US2620413A
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US2673468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |