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Patent US2730143A successfully refreshed from Google Patents.
US2730143A
Expired / Lapsed
US
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Power saw chain
Assignee: Mcculloch Motors Corp
•
Filing: 1953-02-11
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Granted: 1956-01-10
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Expires: 1973-02-11
Abstract
No abstract record available.
Inventors
- 👤 John L Ryde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
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)
US1565052A
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US2040852A
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US2589914A
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US2589015A
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US2515550A
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US2508784A
Cited
US2558678A
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US2652076A
Cited
US2622633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |