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US2522768A
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Assignee: MERRIAM MANUFACTURING Co
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Filing: 1947-01-30
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Granted: 1950-09-19
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Expires: 1967-01-30
Abstract
No abstract record available.
Inventors
- 👤 George D Wiepert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:44
CPC Classifications
A; A45; A45C; A45C1/00; A45C1/10; A45C2001/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18245E
Cited
US1607024A
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US1624714A
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US1692231A
Cited
US1736574A
Cited
US2242059A
Cited
US2330671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |