Patent US2800153A successfully refreshed from Google Patents.
US2800153A
Expired / Lapsed
US
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Double chain saw
Assignee: LOGAN J CROMER
•
Filing: 1952-11-14
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Granted: 1957-07-23
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Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Luther B Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:36
CPC Classifications
B; B23; B23D; B23D57/00; B23D57/02; B23D57/026; B27; B27B; B27B17/00; B27B17/02; B27B17/08; B27B17/086; B27B33/00; B27B33/14; B27B33/142; B27B33/145; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US12327A
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US845547A
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US939438A
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GB102416A
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US1553672A
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US1559522A
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US1710970A
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US1703941A
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US2555428A
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US2664925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |