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US3616719A
Expired / Lapsed
US
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Notching sheet material
Assignee: J F KIDDER Mfg CO Inc
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Filing: 1969-09-25
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Granted: 1971-11-02
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Expires: 1989-09-25
Abstract
Abstract PRESS FOR NOTCHING SHEET MATERIAL WITH UPPER AND LOWER BLADE ASSEMBLIES EACH HAVING A PAIR OF BLADES ABUTTING AT A PLANE AND HAVING RESPECTIVE CUTTING EDGES TERMINATING AT THAT PLANE, EACH PAIR INCLUDING A BLADE ADJUSTABLE ALONG A PATH PARALLEL TO THE ABUTMENT PLANE.
Inventors
- 👤 Robert B Tassie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
CPC Classifications
B; B23; B23D; B23D15/00; B23D15/002; B23D35/00; B23D35/001; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9411; Y10T83/9442; Y10T83/9444; Y10T83/9457; Y10T83/9473; Y10T83/9483; Y10T83/9486
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |