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US2877722A
Expired / Lapsed
US
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Canopied vehicle
Assignee: UNION RAILROAD Co
•
Filing: 1955-10-12
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Granted: 1959-03-17
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Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Peat James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:59
CPC Classifications
B; B61; B61D; B61D39/00; B61D39/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1598471A
Cited
US520528A
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NL72933C
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US968828A
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GB191218153A
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US1154749A
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US1274789A
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US1504366A
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FR577327A
Cited
US2132328A
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US2218441A
Cited
US2587027A
Cited
US2629339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |