Patent US3414768A successfully refreshed from Google Patents.
US2467312A
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Assignee: Flowserve Corp
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Filing: 1947-06-20
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Granted: 1949-04-12
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Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
- 👤 Delbert E Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:07
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/3472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE308651C
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US134955A
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US583451A
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US1035484A
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US1644489A
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US1603556A
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GB266479A
Cited
US1898278A
Cited
US2393967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |