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US2575913A
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US
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Assignee: Compco Corp
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Filing: 1949-09-01
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Granted: 1951-11-20
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Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 Fred L Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:52
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/4212; B65D5/4233; B65D25/00; B65D25/20; B65D25/205
Claims Analysis
Total Claims: 0
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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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |