Patent US3066403A successfully refreshed from Google Patents.
US3066403A
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Method of making extruded tubes from powdered metal
Assignee: Individual
•
Filing: 1959-11-06
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Granted: 1962-12-04
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Brauchler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; B22; B22F; B22F3/00; B22F3/20; B22F7/00; B22F7/06; B22F7/08; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US305023A
Cited
US2123416A
Cited
CA483005A
Cited
GB374397A
Cited
US2148040A
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US2167544A
Cited
US2299192A
Cited
US2372202A
Cited
US2725265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |