US2709492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity actuated spinneret punching machine
Assignee: TEXTILE and CHEM RES CO Ltd
•
Filing: 1951-07-05
•
Granted: 1955-05-31
•
Expires: 1971-07-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Thomann
- 👤 Jean Marie G Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:50
CPC Classifications
B; B21; B21D; B21D31/00; B21D31/02; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/081; Y10T83/088; Y10T83/101; Y10T83/444; Y10T83/4607; Y10T83/869; Y10T83/8776; Y10T83/8782; Y10T83/8784; Y10T83/8821; Y10T83/8827
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304829A
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US500373A
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US1125648A
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US683472A
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US2051031A
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US2148221A
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US2374464A
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US2339773A
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US2452639A
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |