US3408723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of expanding multihardness panels
Assignee: Olin Corp
•
Filing: 1965-03-24
•
Granted: 1968-11-05
•
Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Lyell V Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:01
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; F; F25; F25B; F25B39/00; F25B39/02; F25B39/022; F25B39/024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2416015A
Cited
US2690002A
Cited
US3037277A
Cited
US3094956A
Cited
US3012309A
Cited
US3066389A
Cited
US2951404A
Cited
US3106014A
Cited
US3004327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |