US2751318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing coils
Assignee: Hartford National Bank and Trust Co
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Filing: 1954-05-14
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Granted: 1956-06-19
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Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Speekman Bernardu Willebrordus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:45
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METTHOD OF MANUFACTURING ELECTRICAL COILS COMPRISING WINDING A STRANDED INSULATED WIRE TOGETHER WITH A PLURALITY OF THREADS OF THERMOPLASTIC MATERIAL, SAID THERMOPLASTIC MATERIAL BEING ADAPTED TO SOFTEN AT A TEMPERATURE AT WHICH SAID INSULATED WINDING WIRE IS NOT UNDULY DECOMPOSED, AND APPLYING HEAT TO SAID WIRE TO OBTAIN SAID TEMPERATURE.
Claim 2
Dependent Claim
51 words
A METTHOD OF MANUFACTURING ELECTRICAL COILS COMPRISING WINDING A STRANDED INSULATED WIRE TOGETHER WITH A PLURALITY OF THREADS OF THERMOPLASTIC MATERIAL, SAID THERMOPLASTIC MATERIAL BEING ADAPTED TO SOFTEN AT A TEMPERATURE AT WHICH SAID INSULATED WINDING WIRE IS NOT UNDULY DECOMPOSED, AND APPLYING HEAT TO SAID WIRE TO OBTAIN SAID TEMPERATURE.
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) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |