Patent US2936808A successfully refreshed from Google Patents.
US2936808A
Expired / Lapsed
US
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Wire forming device
Assignee: Allen B du Mont Laboratories Inc
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Filing: 1956-09-07
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Granted: 1960-05-17
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Expires: 1976-09-07
Abstract
No abstract record available.
Inventors
- 👤 Felt David Coan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:01
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0473; B; B21; B21F; B21F1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1450961A
Cited
US1580278A
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US1664619A
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US1854371A
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US2401031A
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US2840134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |