Patent US3751544A successfully refreshed from Google Patents.
US3751544A
Expired / Lapsed
US
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Method for cutting through a block of plastic material
Assignee: Stork Amsterdam NV
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Filing: 1971-07-08
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Granted: 1973-08-07
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Expires: 1991-07-08
Abstract
Abstract Planes parallel to the upstanding sides of the block, is performed subsequent to a tilting movement around a line parallel to an edge of the bottom of the block by means of an auxiliary supporting surface with at least one cutting wire lying upon said surface.
Inventors
- 👤 J Smorenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:57
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/006; B28; B28B; B28B11/00; B28B11/14; B28B11/145; B28D; B28D1/00; B28D1/22; B28D7/00; B28D7/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/22; Y10T83/2205; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |