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US2636797A
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Assignee: Individual
•
Filing: 1951-02-03
•
Granted: 1953-04-28
•
Expires: 1971-02-03
Abstract
No abstract record available.
Inventors
- 👤 Alheit Henry Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:46
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US615915A
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US1305210A
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US1240927A
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US1358406A
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US1394338A
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US1872847A
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US1980973A
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US1989275A
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US2112028A
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US2088741A
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US2418236A
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US2558939A
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |