US3370943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum alloy
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1965-11-04
•
Granted: 1968-02-27
•
Expires: 1985-11-04
Abstract
No abstract record available.
Inventors
- 👤 Earl C Beatty
- 👤 Frank L Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:19
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/14; C22; C22C; C22C21/00; C22C21/06; C22C21/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1130785A
Cited
US1261987A
Cited
US1869996A
Cited
US1911078A
Cited
DE677501C
Cited
USRE24566E
Cited
US2601206A
Cited
US3104189A
Cited
US3227639A
Cited
US3143485A
Cited
FR1362345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |