Patent US2809718A successfully refreshed from Google Patents.
US2809718A
Expired / Lapsed
US
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Saw chain oil pump
Assignee: MALL TOOL Co
•
Filing: 1954-05-27
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Granted: 1957-10-15
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Michael O Kos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:34
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/12; F; F16; F16H; F16H57/00; F16H57/04; F16H57/05; F16N; F16N13/00; Y; Y10; Y10T; Y10T83/00; Y10T83/263; Y10T83/707
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE562547C
Cited
US807731A
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US833678A
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GB190802200A
Cited
US1262979A
Cited
US1861937A
Cited
US2409775A
Cited
US2741276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |