Patent US3400057A successfully refreshed from Google Patents.
US3400057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy and finishing system
Assignee: Reynolds Metals Co
•
Filing: 1964-06-03
•
Granted: 1968-09-03
•
Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Coates Harold Jefferson
- 👤 Jr Bennie Ray Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/32; C23F1/36; C22; C22C; C22C21/00; C22C21/02; C22F; C22F1/00; C22F1/04; C22F1/043; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2040617A
Cited
US2202682A
Cited
US2262696A
Cited
US2851626A
Cited
US3020219A
Cited
US3041259A
Cited
US3153278A
Cited
US3164494A
Cited
US3180806A
Cited
US3266945A
Cited
US3328274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |