Patent US2509162A successfully refreshed from Google Patents.
US2509162A
Expired / Lapsed
US
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Packing construction for pump shafts or the like
Assignee: TRI CLOVER MACHINE CO
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Filing: 1945-09-06
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Granted: 1950-05-23
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Expires: 1965-09-06
Abstract
No abstract record available.
Inventors
- 👤 John H Moses
- 👤 Joseph S Kessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/182; F16J15/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US580049A
Cited
US1562195A
Cited
US1670368A
Cited
GB249415A
Cited
US1687646A
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FR644722A
Cited
US1829206A
Cited
US1925392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |