Patent US1203930A successfully refreshed from Google Patents.
US2371407A
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Tubular frame construction
Assignee: Universal Wire Spring Co
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Filing: 1941-10-11
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Granted: 1945-03-13
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Expires: 1961-10-11
Abstract
No abstract record available.
Inventors
- 👤 William H Neely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/06; B60N2/07; B60N2/0702; B60N2/0715; B60N2/58; B60N2/5816; B60N2/5825; B60N2/68; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/72
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) | 1948-03-12 | 1948-09-11 | 1949-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-12 | 1952-09-11 | 1953-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-12 | 1956-09-11 | 1957-03-13 | $7700.00 | Window Closed / Lapsed |