US3103841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating die castings
Assignee: Individual
•
Filing: 1962-10-01
•
Granted: 1963-09-17
•
Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Albert M Sanders
- 👤 Murray A Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:15
CPC Classifications
B; B22; B22D; B22D31/00; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0467; Y10T83/202; Y10T83/2092; Y10T83/2192; Y10T83/2209; Y10T83/2213; Y10T83/2216
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US770561A
Cited
US2733479A
Cited
US812221A
Cited
US1706203A
Cited
US1775026A
Cited
US1923937A
Cited
US2299816A
Cited
US2542630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |