Patent US2270337A successfully refreshed from Google Patents.
US3374618A
Expired / Lapsed
US
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Protective pot for two-for-one twisting spindles
Assignee: Palitex Project Co GmbH
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Filing: 1967-04-27
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Granted: 1968-03-26
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Expires: 1987-04-27
Abstract
No abstract record available.
Inventors
- 👤 Franzen Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:06
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H1/00; D01H1/14; D01H1/42; D01H1/427; D01H7/00; D01H7/02; D01H7/86; D01H7/862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147307A
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US1605586A
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US2244165A
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US2473521A
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US2474439A
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US2542634A
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US2563641A
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US3159962A
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US3177643A
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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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |