US2496087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial train
Assignee: Individual
•
Filing: 1944-09-23
•
Granted: 1950-01-31
•
Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Fleming Jacob Waggoner Partee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:15
CPC Classifications
B; B64; B64C; B64C37/00; B64C37/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US430434A
Cited
DE332898C
Cited
DE464603C
Cited
US1605045A
Cited
US1592917A
Cited
US1603688A
Cited
GB515562A
Cited
US2294367A
Cited
US2375423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |