US3020936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead forming apparatus
Assignee: AT&T Inc
•
Filing: 1957-02-26
•
Granted: 1962-02-13
•
Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Delphio J Bracci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:11
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/02; H05K13/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448567A
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US1562973A
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US1828884A
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US1645865A
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US1811457A
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US2372082A
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US2387074A
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US2473919A
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US2653631A
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US2779993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |