Patent US2418787A successfully refreshed from Google Patents.
US2418787A
Expired / Lapsed
US
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Convertible seat structure
Assignee: HAYES Manufacturing CORP
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Filing: 1944-05-01
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Granted: 1947-04-08
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Expires: 1964-05-01
Abstract
No abstract record available.
Inventors
- 👤 Augie L Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:02
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3002; B60N2/3004; B60N2/3009; B60N2/3013; B60N2/3038; B60N2/304; B60N2/3045; B60N2/3047
Claims Analysis
Total Claims: 0
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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) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |