Patent US3019375A successfully refreshed from Google Patents.
US3019375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-resistant coil former, especially for electrical relays
Assignee: Siemens and Halske AG
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Filing: 1958-04-07
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Granted: 1962-01-30
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Geyer Hans
- 👤 Fischer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:43
CPC Classifications
H; H01; H01F; H01F5/00; H01F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN ESSEMBLY FOR ELECTRICAL DEVICES OF THE CLASS OF RELAYS AND THE LIKE, COMPRISING A HEAT-RESISTANT SPOOL CARRYING A COIL WINDING SAID SPOOL COMPRISING TWO HALF-SHELLS, EACH HALF-SHELLS MADE INTEGRALLY OF ONE IPECE OF SHEET
Claim 2
Dependent Claim
35 words
AN ESSEMBLY FOR ELECTRICAL DEVICES OF THE CLASS OF RELAYS AND THE LIKE, COMPRISING A HEAT-RESISTANT SPOOL CARRYING A COIL WINDING SAID SPOOL COMPRISING TWO HALF-SHELLS, EACH HALF-SHELLS MADE INTEGRALLY OF ONE IPECE OF SHEET
References Cited (Backward Citations)
US2405457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |