Patent US3044496A successfully refreshed from Google Patents.
US3044496A
Expired / Lapsed
US
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Internal tube seal
Assignee: Tuthill Pump Co
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Filing: 1960-02-19
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Granted: 1962-07-17
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Maisch Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/12; F16L55/128; F16L55/132; G; G01; G01M; G01M3/00; G01M3/02; G01M3/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1068793A
Cited
US1205891A
Cited
US1949498A
Cited
US2375995A
Cited
US2475748A
Cited
US2937666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |