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Patent US2663512A successfully refreshed from Google Patents.
US2663512A
Expired / Lapsed
US
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Reel mechanism
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1947-07-10
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Granted: 1953-12-22
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Expires: 1967-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:21
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337017A
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FR537318A
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DE489583C
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GB330719A
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US2015086A
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US1986090A
Cited
FR855420A
Cited
US2298759A
Cited
US2271139A
Cited
US2352042A
Cited
US2345246A
Cited
US2454984A
Cited
US2481000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |