US2623266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped fibers, filaments, and threads
Assignee: Sandoz AG
•
Filing: 1948-04-09
•
Granted: 1952-12-30
•
Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Hemmi Hans Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:16
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/14; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2964; Y10T428/31504; Y10T428/31942; Y10T428/31949
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB451102A
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US2313630A
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US2251268A
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US2394165A
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US2508489A
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US2601451A
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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) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |