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US2629566A
Expired / Lapsed
US
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Spool operating device
Assignee: JOHN W GOTTSCHALK MANUFACTURING Co
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Filing: 1951-06-16
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Granted: 1953-02-24
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Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond R King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:16
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441454A
Cited
US745833A
Cited
US1815532A
Cited
GB379513A
Cited
US2200140A
Cited
US2170194A
Cited
US2242053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |