US2597503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaking screen
Assignee: Individual
•
Filing: 1948-02-10
•
Granted: 1952-05-20
•
Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 Larsson John Lars Arvid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:10
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/284; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0863; F16H2007/0874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US976115A
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US1605962A
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GB190726065A
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US1787852A
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GB285638A
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GB280412A
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GB366886A
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DE680827C
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US2321675A
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US2374663A
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US2386579A
Cited
US2396954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |