Patent US2201737A successfully refreshed from Google Patents.
US2201737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car roof with movable sections
Assignee: Pennsylvania Railroad Co
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Filing: 1939-01-27
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Granted: 1940-05-21
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Expires: 1959-01-27
Abstract
No abstract record available.
Inventors
- 👤 Wendel J Meyer
- 👤 Thomas W Demarest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:22
CPC Classifications
B; B61; B61D; B61D39/00; B61D39/002; B61D39/003
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) | 1943-05-21 | 1943-11-20 | 1944-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-21 | 1947-11-20 | 1948-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-21 | 1951-11-20 | 1952-05-21 | $7700.00 | Window Closed / Lapsed |