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US2605567A
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Assignee: Individual
•
Filing: 1947-07-26
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Granted: 1952-08-05
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Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 Berkower Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:06
CPC Classifications
G; G09; G09D; G09D3/00; G09D3/04; G09D3/06; G09D3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US73315A
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US749528A
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US1558020A
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GB189819894A
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US1285038A
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US1378857A
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US1494792A
Cited
US1683907A
Cited
US2057523A
Cited
US2246633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |