Patent US5776116A successfully refreshed from Google Patents.
US2448147A
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Method of fabricating packing glands
Assignee: Flowserve Corp
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Filing: 1943-04-29
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Granted: 1948-08-31
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Expires: 1963-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jacobsen Oystein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/188; Y; Y10; Y10S; Y10S277/00; Y10S277/904; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1465988A
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US1498748A
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US2145864A
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US2134749A
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US2153035A
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US2371400A
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US2371399A
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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) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |