Patent US3468002A successfully refreshed from Google Patents.
US3468002A
Expired / Lapsed
US
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Yarn bulking apparatus
Assignee: Ernest Scragg and Sons Ltd
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Filing: 1967-03-23
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Granted: 1969-09-23
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Expires: 1987-03-23
Abstract
No abstract record available.
Inventors
- 👤 Walter Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:49
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161; D02G1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA739376A
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US2450045A
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US2962794A
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US3156028A
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US3005251A
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US3067602A
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US3373470A
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US3339250A
Cited
US3240037A
Cited
US3343378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |