US3527393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Splitter
Assignee: Chori Co Ltd
•
Filing: 1968-07-23
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Granted: 1970-09-08
•
Expires: 1988-07-23
Abstract
No abstract record available.
Inventors
- 👤 Mitsuo Matsui
- 👤 Chuji Shimizu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; D; D06; D06H; D06H7/00; D06H7/04; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10T; Y10T225/00; Y10T225/10; Y10T225/14; Y10T225/30; Y10T225/329; Y10T83/00; Y10T83/929; Y10T83/9314; Y10T83/9372; Y10T83/9377; Y10T83/9408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |