Patent US2903281A successfully refreshed from Google Patents.
US2903281A
Expired / Lapsed
US
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Metallic fluid seal
Assignee: General Electric Co
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Filing: 1956-08-28
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Granted: 1959-09-08
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Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Howard W Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:06
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; Y; Y10; Y10S; Y10S277/00; Y10S277/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200458A
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US351828A
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US583451A
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US637098A
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US660523A
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US1989903A
Cited
GB408870A
Cited
US2075947A
Cited
US2537230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |