Patent US2844398A successfully refreshed from Google Patents.
US2844398A
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Rubber insert with lubricant channel
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1955-03-30
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Granted: 1958-07-22
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Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 Neher Eldon Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:57
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/28; B23; B23P; B23P11/00; B23P11/005; F; F16; F16F; F16F2226/00; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/55; Y10T403/557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1739270A
Cited
US2324984A
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US2534738A
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US2643147A
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US2661969A
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US2676040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |