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US2543300A
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US
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Assignee: Individual
•
Filing: 1947-08-15
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Granted: 1951-02-27
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Expires: 1967-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ptak Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:14
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/12; B65D7/14; B65D7/20; B65D45/00; B65D45/32; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |