Patent US2607544A successfully refreshed from Google Patents.
US2607544A
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Winding and reeling mechanism
Assignee: IIT Research Institute
•
Filing: 1946-08-16
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Granted: 1952-08-19
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Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Zenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:33
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE139202C
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AT70843B
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DE408658C
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US1874184A
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GB313672A
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DE641843C
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US2080812A
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US2078357A
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US2418543A
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US2457699A
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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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |