Patent US2508784A successfully refreshed from Google Patents.
US2508784A
Expired / Lapsed
US
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Power saw chain
Assignee: OREGON SAW CHAIN Manufacturing CORP
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Filing: 1948-11-13
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Granted: 1950-05-23
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Expires: 1968-11-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:08
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/142; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US565049A
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US591039A
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US815256A
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GB274348A
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US1745090A
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US1937073A
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US2326854A
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US2321962A
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US2351112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |