Patent US2875707A successfully refreshed from Google Patents.
US2875707A
Expired / Lapsed
US
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Adjustable bulkhead for freight vehicle bodies
Assignee: GORDON W SIEG
•
Filing: 1956-10-19
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Granted: 1959-03-03
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Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Macdonnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:41
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193254A
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US1164601A
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US1521956A
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US2063434A
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US2071802A
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US2227807A
Cited
US2171317A
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US2629338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |