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Patent US3449805A successfully refreshed from Google Patents.
US3449805A
Expired / Lapsed
US
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Apparatus for treating yarn
Assignee: ENTERPRISE MACHINE AND DEV CORP
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Filing: 1967-01-03
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Granted: 1969-06-17
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 John Paul Lubach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:03
CPC Classifications
H; H10; H10P; H10P50/00; H10P50/69; H10P50/691; D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
CA664906A
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US2194565A
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US2622961A
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US2821346A
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US3079746A
Cited
US3188713A
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US3296677A
Cited
US3207485A
Cited
US3281913A
Cited
US3341394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |