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US3516879A
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Process of forming particles in a cryogenic path
Assignee: National Aeronautics and Space Administration
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Filing: 1968-06-13
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Granted: 1970-06-23
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Expires: 1988-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert H Globus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:46
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/12; B; B01; B01J; B01J2/00; C06B21/00; C06B21/0033; C06B21/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3221494A
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US3177652A
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US3354646A
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US3197348A
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US3257802A
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US3377801A
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US3282750A
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US3428501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |