US3483468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog-to-digital voltage converter
Assignee: 3M Co
•
Filing: 1966-06-24
•
Granted: 1969-12-09
•
Expires: 1986-06-24
Abstract
No abstract record available.
Inventors
- 👤 Gerard H Gaynor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:29
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2497961A
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US2625822A
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US2836356A
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US2896198A
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US2901685A
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US3153193A
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US2920316A
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US2940071A
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US3187318A
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US3167757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |