Patent US4458265A successfully refreshed from Google Patents.
Patent US3679526A successfully refreshed from Google Patents.
US3679526A
Expired / Lapsed
US
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Sonic or ultrasonic cutting apparatus
Assignee: Branson Ultrasonics Corp
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Filing: 1970-04-08
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Granted: 1972-07-25
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Expires: 1990-04-08
Abstract
Abstract A cutting apparatus operating in the sonic or ultrasonic frequency range comprises an oscillating tool impacting on an anvil in order to cut or slit sheet material interposed. A portion of a movable strip interposed in the gap between the tool and anvil acts as a knife edge, the strip being advanced to provide a new cutting edge.
Inventors
- 👤 Robert C Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:36
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B26; B26D; B26D7/00; B26D7/08; B26D7/086; B29C65/74; B29C65/743; B29C65/7433; B29C65/7443; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/00441; B29C66/006; B29C66/0062; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/816; B29C66/8167; B29C66/83; B29C66/832; B29C66/8322; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/81411; B29C66/81421; B29C66/81423; B29C66/90; B29C66/95; B29C66/951; B29C66/9513; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313; Y10T83/00; Y10T83/444; 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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |