US2820987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of and apparatus for controlling the application of plastic materials upon filamentary articles
Assignee: AT&T Inc
•
Filing: 1955-06-07
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Granted: 1958-01-28
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Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Tillman T Bunch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369858A
Cited
US2372162A
Cited
US2588882A
Cited
US2540146A
Cited
US2665409A
Cited
US2726922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |