US2900783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn crimping apparatus
Assignee: North American Rayon Corp
•
Filing: 1955-10-28
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Granted: 1959-08-25
•
Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Carter
- 👤 Chadwick B Kingsbury
- 👤 Douglas J Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:59
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2111209A
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US2803109A
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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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |