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US2434286A
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Method of forming a point at the end of a wire
Assignee: AT&T Inc
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Filing: 1943-08-12
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Granted: 1948-01-13
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Expires: 1963-08-12
Abstract
No abstract record available.
Inventors
- 👤 William G Pfann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:03
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE272731C
Cited
GB189714580A
Cited
US1017671A
Cited
AT62869B
Cited
US1731269A
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US1906888A
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US2329317A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |