Patent US2621685A successfully refreshed from Google Patents.
US2621685A
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US
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Hand carried power tool
Assignee: TRI SAW CORP
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Filing: 1949-01-17
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Granted: 1952-12-16
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Expires: 1969-01-17
Abstract
No abstract record available.
Inventors
- 👤 Bert B Butz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:25
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D57/00; B23D57/0076; Y; Y10; Y10T; Y10T408/00; Y10T408/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US178821A
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US2337769A
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US2488998A
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US2465837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |