Patent US3044506A successfully refreshed from Google Patents.
US3044506A
Expired / Lapsed
US
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Lubricating system for chain saws
Assignee: Mcculloch Corp
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Filing: 1960-05-02
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Granted: 1962-07-17
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 John W Oehrli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:15
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/12; F; F02; F02B; F02B63/00; F02B63/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2391730A
Cited
FR1047905A
Cited
US2747945A
Cited
US2748810A
Cited
US2896746A
Cited
US3010538A
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 |