US2601660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spool construction
Assignee: Dominion Magnesium Ltd
•
Filing: 1948-07-06
•
Granted: 1952-06-24
•
Expires: 1968-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jarmicki Wincenty Zygmunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:27
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/513; B65H2701/5134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1469930A
Cited
US851367A
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US962452A
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US1842143A
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US1811517A
Cited
US1842113A
Cited
US2170334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |