US2858150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push rod seal
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1955-04-22
•
Granted: 1958-10-28
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Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Eldon P Neher
- 👤 Howard J Peppercorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:21
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16B; F16B9/00; F16B9/05; F16B9/056; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/451
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2014313A
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US2173250A
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US2294452A
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US2420039A
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US2728593A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |