US2650731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation system and equipment
Assignee: Individual
•
Filing: 1947-04-08
•
Granted: 1953-09-01
•
Expires: 1967-04-08
Abstract
No abstract record available.
Inventors
- 👤 William F Adler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US197945A
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US679567A
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US773126A
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US1148531A
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US1257169A
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US1287759A
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US1454760A
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US1499530A
Cited
US1613387A
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US1816041A
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US1784975A
Cited
US1797601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |