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US2548958A
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Assignee: Individual
•
Filing: 1947-08-12
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Granted: 1951-04-17
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Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Stephen P Dirosa
- 👤 Raymond R Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:05
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814; A47J37/0821; A61; A61C; A61C13/00; A61C13/08; A61C13/097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1150501A
Cited
US1176285A
Cited
US1529342A
Cited
US1841301A
Cited
US1948739A
Cited
US1852398A
Cited
US2194223A
Cited
US2465577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |