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US3368004A
Expired / Lapsed
US
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Forming balls from powder
Assignee: Canadian Patents and Development Ltd
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Filing: 1965-10-21
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Granted: 1968-02-06
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Sirianni Aurelio Frederick
- 👤 Puddington Ira Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:18
CPC Classifications
B; B01; B01J; B01J2/00; B22; B22F; B22F9/00
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |