US3411957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a cast iron roll
Assignee: Nisso Seiko KK
•
Filing: 1965-10-24
•
Granted: 1968-11-19
•
Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Takai Kiyoshi
- 👤 Hashimoto Fumio
- 👤 Sato Yuichiro
- 👤 Matsukura Kiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:33
CPC Classifications
C; C22; C22C; C22C37/00; C22C37/10; C22C37/06; F; F03; F03C; F03C1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1211826A
Cited
US1762109A
Cited
US2241270A
Cited
US2253502A
Cited
US2250488A
Cited
US2450395A
Cited
US2633438A
Cited
US2901386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |