Patent US3519503A successfully refreshed from Google Patents.
US3519503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication method for the high temperature alloys
Assignee: RTX Corp
•
Filing: 1967-12-22
•
Granted: 1970-07-07
•
Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Moore
- 👤 Roy L Athey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:43
CPC Classifications
B; B21; B21K; B21K3/00; B21K3/04; C; C22; C22F; C22F1/00; C22F1/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2666721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |