US2693323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spool or reel construction
Assignee: Dominion Magnesium Ltd
•
Filing: 1952-03-15
•
Granted: 1954-11-02
•
Expires: 1972-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jarmicki Wincenty Zygmunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:23
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114; B65H2701/513; B65H2701/5134; B65H2701/51342
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US987572A
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GB145918A
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US1462166A
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US1520379A
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US1683273A
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US1842143A
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GB502816A
Cited
US2208456A
Cited
US2190013A
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US2282156A
Cited
US2426464A
Cited
US2472248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |