Patent US3556977A successfully refreshed from Google Patents.
US3556977A
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Seal
Assignee: HARRY D ELBAUM
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Filing: 1968-12-18
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Granted: 1971-01-19
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Expires: 1988-12-18
Abstract
Abstract A PLASTIC-IMPREGNATED, LINEN BASED LOCK NUT IS DISPOSED IN FACE-TO-FACE CONTACT WITH THE INSULATED COATING OF A TERMINAL AND CONTACT MEMBER OF AN ELECTROPLATING RACK. THE NUT ABSORBES A QUANTITY OF AN ELECTROPLATING BATH SO AS TO SWELL, THEREBY EFFECTING A TIGHT SEAL AGAINST PENETRATION OF THE BATH TO THE TERMINAL AND CONTACT MEMBER.
Inventors
- 👤 Harry D Elbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:49
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/06; C25D17/08
Claims Analysis
Total Claims: 0
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |