US3548926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw type material processor
Assignee: Joy Manufacturing Co
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Filing: 1968-05-10
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Granted: 1970-12-22
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Expires: 1988-05-10
Abstract
No abstract record available.
Inventors
- 👤 William E Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:24
CPC Classifications
F; F28; F28F; F28F5/00; F28F5/06; B; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/18; B65G2812/00; B65G2812/05; B65G2812/0505; B65G2812/0511; B65G2812/0527; B65G2812/0577; B65G2812/0594; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/147; Y10S165/148; Y10S165/149
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |