US3034197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing expanded steel member
Assignee: Individual
•
Filing: 1957-03-20
•
Granted: 1962-05-15
•
Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Watanabe Hideyo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
B; B21; B21D; B21D47/00; B21D47/01; B21D47/02; Y; Y10; Y10T; Y10T29/00; Y10T29/18; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1195221A
Cited
US950280A
Cited
US1547607A
Cited
US1511186A
Cited
US1802811A
Cited
US1790495A
Cited
US1746520A
Cited
US1763944A
Cited
US1842612A
Cited
US1850543A
Cited
US2046621A
Cited
US2977914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |