US2441642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for applying lubricating grease to shafts
Assignee: F W STEWART MANUFACTURING Corp
•
Filing: 1944-02-07
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Granted: 1948-05-18
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Expires: 1964-02-07
Abstract
No abstract record available.
Inventors
- 👤 Mcdaniel Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:02
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/24; F16N; F16N3/00; F16N3/10; F16N3/12; F16C1/02; F16C1/06; F16C2370/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1471583A
Cited
US2251699A
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US2228341A
Cited
US2218482A
Cited
US2207487A
Cited
US2199067A
Cited
US2370314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |