US3451903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductor roll and method of making the same
Assignee: Mitsubishi Heavy Industries Ltd
•
Filing: 1966-03-29
•
Granted: 1969-06-24
•
Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Shuro Matsuoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:40
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0614; C25D7/0657; C25D1/00; C25D1/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |