US2935111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bending parts into c-shape
Assignee: AT&T Inc
•
Filing: 1955-07-11
•
Granted: 1960-05-03
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 William F Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:34
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US360149A
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US501900A
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GB190215290A
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US772619A
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US1173168A
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FR550356A
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FR625069A
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US2460281A
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US2426446A
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US2444757A
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US2463799A
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US2505718A
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US2564354A
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DE933801C
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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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |