US3417253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact pulse generating device utilizing a translucent epoxy resin encapsulated transistor
Assignee: 3M Co
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Filing: 1965-04-23
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Granted: 1968-12-17
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Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Hassan B Kadah
- 👤 Marcel B Hoste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:04
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/20; H03B5/24; B; B23; B23D; B23D36/00; G; G02; G02B; G02B26/00; G02B26/02; G02B26/04; H10; H10F; H10F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |