US2778058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament stretching apparatus
Assignee: Inventa AG fuer Forschung und Patentverwertung
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Filing: 1950-08-11
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Granted: 1957-01-22
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Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Gabler Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2259202A
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US2289232A
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US2271854A
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US2302792A
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US2468666A
Cited
GB580608A
Cited
US2603853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |