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Patent US2858880A successfully refreshed from Google Patents.
US2858880A
Expired / Lapsed
US
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Reversible seat for railway cars
Assignee: Seng Co
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Filing: 1955-07-14
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Granted: 1958-11-04
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Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:26
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0007; B61D33/0014; B61D33/0028; B60; B60N; B60N2/00; B60N2/02; B60N2/0292
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |