Patent US2559103A successfully refreshed from Google Patents.
US2559103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring construction
Assignee: Union Metal Manufacturing Co
•
Filing: 1945-09-07
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Granted: 1951-07-03
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Expires: 1965-09-07
Abstract
No abstract record available.
Inventors
- 👤 Wilbur C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:36
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/02; B60G11/10; B60G11/113; B60G11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1155062A
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US1238237A
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US1522511A
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GB203954A
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FR572385A
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FR747257A
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US2065094A
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US2191941A
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US2411337A
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US2469158A
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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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |