US3476170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting method with laser beam melting of levitated mass
Assignee: The Traub Co
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Filing: 1967-05-15
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Granted: 1969-11-04
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 Rodney E Christian
- 👤 Peter C Taudvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:37
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/02; B23; B23K; B23K26/00; B23K26/0006; B23K26/14; B23K26/1423; B23K26/352; B23K26/354; C; C22; C22B; C22B4/00; B23K2103/00; B23K2103/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |