US2742238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil winding machine
Assignee: Leesona Corp
•
Filing: 1952-02-02
•
Granted: 1956-04-17
•
Expires: 1972-02-02
Abstract
No abstract record available.
Inventors
- 👤 William W Clarke
- 👤 Clarence C Stevens
- 👤 Bauer Hubert
- 👤 Jr Harold Jarvis
- 👤 Heller Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/10; B65H54/20; B65H54/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1706888A
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US2161459A
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US2305085A
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US2597375A
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US2467627A
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US2580792A
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US2609163A
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US2699297A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |