US2879676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of spinning nozzles
Assignee: WC Heraus GmbH and Co KG
•
Filing: 1953-02-24
•
Granted: 1959-03-31
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Burkhardt Max
- 👤 Grafried Emil
- 👤 Raunecker Gretelore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:39
CPC Classifications
C; C25; C25D; C25D1/00; D; D01; D01D; D01D4/00; D01D4/02; D01D4/027; Y; Y10; Y10S; Y10S29/00; Y10S29/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604216A
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US1672644A
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US1817680A
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US1654936A
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US1708715A
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US2078509A
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US2422612A
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US2461640A
Cited
US3408713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |