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US2944696A
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US
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Assignee: Individual
•
Filing: 1958-11-24
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Granted: 1960-07-12
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Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Effgen Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:21
CPC Classifications
C; C23; C23G; C23G3/00; H; H01; H01J; H01J19/00; H01J19/28; H01J19/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US537853A
Cited
US2734283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |