US3394429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stretching thermoplastic synthetic fibers
Assignee: Japan Exlan Co Ltd
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Filing: 1964-07-16
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Granted: 1968-07-30
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Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Nakagawa Kazumi
- 👤 Hayahara Takuro
- 👤 Kishimoto Nobuyuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/224; D02G; D02G1/00; D02G1/18
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) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |