US3477887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous diffusion method
Assignee: Motorola Solutions Inc
•
Filing: 1966-07-01
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Granted: 1969-11-11
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Gary G Ehlenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:04
CPC Classifications
C; C30; C30B; C30B31/00; C30B31/06; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S252/00; Y10S252/95; Y10S252/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2804405A
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US2802760A
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US2873222A
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US3066052A
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US3164501A
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US3244567A
Cited
US3228812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |