US2649822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing cordage
Assignee: AT&T Inc
•
Filing: 1949-02-21
•
Granted: 1953-08-25
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 Julius H Penn
- 👤 Paul R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:53
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/12; H02G1/1202; H02G1/1248; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1549429A
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US1802453A
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US1934660A
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US1954817A
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US1998391A
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US1987959A
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US2020113A
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US2120398A
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US2374211A
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US2429611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |