Patent US3432898A successfully refreshed from Google Patents.
US3432898A
Expired / Lapsed
US
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Process of stuffer-crimping lubricated synthetic fibers
Assignee: Techniservice Corp
•
Filing: 1965-03-19
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Granted: 1969-03-18
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert K Stanley
- 👤 Hillary Robinette Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069303A
Cited
US2207696A
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US2282568A
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US2436978A
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US2406542A
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US2960752A
Cited
US3193407A
Cited
US3235442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |