US2955255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision sweep generator for producing linear or selected complex sweep functions
Assignee: Individual
•
Filing: 1954-03-08
•
Granted: 1960-10-04
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Van Winkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735007A
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US2692334A
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US2522957A
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US2416292A
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US2419606A
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US2453787A
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US2549875A
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US2562188A
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US2652490A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |