Patent US2698034A successfully refreshed from Google Patents.
US2698034A
Expired / Lapsed
US
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Portable chain saw with detachable guards
Assignee: Individual
•
Filing: 1950-02-20
•
Granted: 1954-12-28
•
Expires: 1970-02-20
Abstract
No abstract record available.
Inventors
- 👤 Eino A Jakku
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0083; B27B17/0008; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US741874A
Cited
US1723125A
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US1946390A
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US2034058A
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US2216971A
Cited
US2327233A
Cited
US2567886A
Cited
US2488343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |