US3795725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of encapsulating electrical equipment
Assignee: Webster Electric Co Inc
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Filing: 1972-02-03
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Granted: 1974-03-05
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Expires: 1992-02-03
Abstract
Abstract A METHOD OF ENCAPSULATING ELECTRICAL EQUIPMENT COMPRISES THE STEPS OF (A) PLACING THE ELECTRICAL EQUIPMENT INTO AN ENCLOSURE OR CASING, (B) POURING A FLUID RESIN-CATALYST MIXTURE INTO THE ENCLOSURE, (C) POURING A FILLER INTO THE ENCLOSURE WHILE VIBRATING THE ENCLOSURE, AND (D) CONTINUING THE VIBRATION OF THE ENCLOSURE UNTIL THE RESIN-CATALYST MIXTURE PREMEATES THE FILLER.
Inventors
- 👤 E Bulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:47
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/84; B29C39/00; B29C39/02; B29C39/10; B29C67/00; B29C67/24; B29C67/242; B29C67/243; B29C67/244; B29C70/70; B29C2791/00; B29C2791/004; B29C2791/008; B29K; B29K2063/00; B29L; B29L2031/00; B29L2031/34; B29L2031/3406
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |