US2788749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mutually streamlined supporting structure and monorail vehicle
Assignee: AXEL LENNARD WENNER GREN
•
Filing: 1952-01-10
•
Granted: 1957-04-16
•
Expires: 1972-01-10
Abstract
No abstract record available.
Inventors
- 👤 Hinsken Josef
- 👤 Holzer Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:41
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/08; B; B61; B61B; B61B13/00; B61B13/04; B61B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415400A
Cited
US1042067A
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US1064141A
Cited
US1529821A
Cited
US1605521A
Cited
US1798852A
Cited
US1811270A
Cited
US2056217A
Cited
US2093535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |