US2307560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge for folding partitions
Assignee: Pullman-Standard Car Manufacturing Co
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Filing: 1939-05-29
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Granted: 1943-01-05
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Expires: 1959-05-29
Abstract
No abstract record available.
Inventors
- 👤 Carl H Apel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:51
CPC Classifications
B; B61; B61D; B61D1/00; B61D1/02; E; E05; E05D; E05D1/00; E05D1/04; E05D15/00; E05D15/26; E05D7/00; E05D7/009; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1946-01-04 | 1946-07-06 | 1947-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-04 | 1950-07-06 | 1951-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-04 | 1954-07-06 | 1955-01-05 | $7700.00 | Window Closed / Lapsed |