US2952812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse modulation function multiplier
Assignee: California Research LLC
•
Filing: 1956-01-27
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Granted: 1960-09-13
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Expires: 1976-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter W Klein
- 👤 Wayne W Grannemann
- 👤 Oke A Fredriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005; B; B29; B29C; B29C49/00; B29C49/24; B29C49/2408; G; G01; G01V; G01V1/00; G01V1/28; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464874A
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US2557194A
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US2575993A
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US2593395A
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US2760189A
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US2743421A
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US2710348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |