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US3016571A
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US
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Apparatus for forming spring-like articles
Assignee: AT&T Inc
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Filing: 1959-12-23
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Granted: 1962-01-16
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Expires: 1979-12-23
Abstract
No abstract record available.
Inventors
- 👤 George P Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:01
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/008; B; B21; B21F; B21F3/00; B21F3/02; B21F3/04; D; D07; D07B; D07B5/00; Y; Y10; Y10S; Y10S264/00; Y10S264/40; Y10S425/00; Y10S425/007
Claims Analysis
Total Claims: 0
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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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |