US2542236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead monorailway system
Assignee: Individual
•
Filing: 1948-06-28
•
Granted: 1951-02-20
•
Expires: 1968-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter C Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:46
CPC Classifications
B; B61; B61B; B61B13/00; B61B13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US230999A
Cited
US387382A
Cited
US399997A
Cited
US503707A
Cited
US564369A
Cited
US968384A
Cited
US1679068A
Cited
US2162688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |