Patent US3379582A successfully refreshed from Google Patents.
US3379582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-alloy high-strength steel
Assignee: HARRY J DICKINSON
•
Filing: 1967-02-15
•
Granted: 1968-04-23
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Harry J Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:15
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US925659A
Cited
US1660790A
Cited
US2012765A
Cited
US2327490A
Cited
US2791500A
Cited
US3165402A
Cited
US3254991A
Cited
US3266947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |