US3022028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown platform
Assignee: TUMPANE Co OF GEORGIA Inc
•
Filing: 1954-06-11
•
Granted: 1962-02-20
•
Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Karl J Reinhard
- 👤 Leo F Swoboda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
F; F16; F16M; F16M5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227292A
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US1359835A
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FR519055A
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US1813045A
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US1924504A
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US2062686A
Cited
US2139113A
Cited
US2395415A
Cited
GB691284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |