Patent US2609891A successfully refreshed from Google Patents.
US2609891A
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US
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Lubricating apparatus
Assignee: United Shoe Machinery Corp
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Filing: 1948-04-30
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Granted: 1952-09-09
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Otto R Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
F; F16; F16N; F16N27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE343552C
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US1209851A
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US1201038A
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US1632775A
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US1723945A
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US1953824A
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US2229655A
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US2195209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |