Patent US2616127A successfully refreshed from Google Patents.
US2616127A
Expired / Lapsed
US
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Double finish drawing die
Assignee: Nixon Nitration Works
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Filing: 1950-09-21
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Granted: 1952-11-04
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Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 James H Pfeiffer
- 👤 David A Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:37
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/30; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/903; B29C48/10; B29C48/885; B29C48/911; B29C48/9115; B29C48/912; B29C48/919; B29L; B29L2023/00; B29L2023/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423260A
Cited
US2519375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |