Patent US2967792A successfully refreshed from Google Patents.
US2967792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerette
Assignee: WC Heraus GmbH and Co KG
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Filing: 1959-11-24
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Granted: 1961-01-10
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Expires: 1979-11-24
Abstract
No abstract record available.
Inventors
- 👤 Ruthardt Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/04; D; D01; D01D; D01D4/00; D01D4/02; D01D4/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A SPINNERETTE COMPRISING AN AGE-HARDENED METAL MEMBER HAVING AT LEAST ONE ORIFICE FORMED THERETHROUGH AND MADE FROM AN ALLOY CONTAINING 7 PERCENT TO 15 PERCENT IRIDIUM, 5 PERCENT TO 30 PERCENT RHODIUM, THE REST BEING PALLADIUM.
Claim 2
Dependent Claim
36 words
A SPINNERETTE COMPRISING AN AGE-HARDENED METAL MEMBER HAVING AT LEAST ONE ORIFICE FORMED THERETHROUGH AND MADE FROM AN ALLOY CONTAINING 7 PERCENT TO 15 PERCENT IRIDIUM, 5 PERCENT TO 30 PERCENT RHODIUM, THE REST BEING PALLADIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |