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US2632669A
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Assignee: Individual
•
Filing: 1946-08-14
•
Granted: 1953-03-24
•
Expires: 1966-08-14
Abstract
No abstract record available.
Inventors
- 👤 Edward F Piwczynski
- 👤 Galinski Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:14
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1286352A
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US1483640A
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US1606853A
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US1591739A
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US1849338A
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AU2355629A
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US1920185A
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US2050889A
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US2207668A
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US2261881A
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US2220429A
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US2236710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |