US3551977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade-like cutoff tool
Assignee: Manchester Tool Co
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Filing: 1969-04-08
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Granted: 1971-01-05
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Expires: 1989-04-08
Abstract
Abstract A UNIQUE CUTOFF TOOL THAT FEATURES THE USE OF A CONSUMABLE BLADE-TYPE INSERT THAT IS MADE DOUBLE ENDED FOR REVERSIBILITY AND THAT IS CHARACTERIZED BY A UNIQUE GEOMETRY WHEREIN A MOUNTING APERTURE IS SPACED MIDWAY BETWEEN THE ENDS WITH THE LENGTH TO HEIGHT RATIO OF THE UNIT OF THE INSERT BEING APPROXIMATELY TWO TO ONE. THE INSERT USED MAY BE EITHER A UNITARY INSERT OR ONE PROVIDED WITH CARBIDE TIPS AND THE NUMBER OF MOUNTING HOLES EMPLOYED IS VARIABLE AND MAY BE ELIMINATED ENTIRELY SO LONG AS THE MOUNTING POINT IS MIDWAY BETWEEN THE REVERSIBLE CUTTING EDGES.
Inventors
- 👤 Raymond E Novkov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:54
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/043; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/116; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2272; Y10T407/2274; Y10T407/23; Y10T407/25; Y10T407/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |