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US2658767A
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Assignee: Individual
•
Filing: 1947-06-10
•
Granted: 1953-11-10
•
Expires: 1967-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jansen Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT136678B
Cited
AT148177B
Cited
US2208829A
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US2176226A
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FR845670A
Cited
US2236874A
Cited
US2246153A
Cited
US2396373A
Cited
US2338249A
Cited
FR916637A
Cited
GB603512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |