US3422492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stretching and crimping fibers
Assignee: Heplon Inc
•
Filing: 1965-02-23
•
Granted: 1969-01-21
•
Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gorecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/228; D02G; D02G1/00; D02G1/12; D02G1/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3076232A
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US3263298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |