Patent US2225515A successfully refreshed from Google Patents.
US2225515A
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US
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Support device
Assignee: General Spring Corp
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Filing: 1938-12-10
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Granted: 1940-12-17
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Expires: 1958-12-10
Abstract
No abstract record available.
Inventors
- 👤 Wood Joseph Kaye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:42
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/16; F16L3/20; F16L3/215; F16L3/217; B; B60; B60G; B60G17/00; B60G17/02; B60G17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-12-17 | 1944-06-17 | 1944-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-17 | 1948-06-17 | 1948-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-17 | 1952-06-17 | 1952-12-17 | $7700.00 | Window Closed / Lapsed |