US2598470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator having reinforcing truss rods
Assignee: Avco Manufacturing Corp
•
Filing: 1950-08-22
•
Granted: 1952-05-27
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Vutz Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:14
CPC Classifications
A; A01; A01D; A01D87/00; B; B65; B65G; B65G21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330268A
Cited
US425552A
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US977518A
Cited
US1212617A
Cited
US1355308A
Cited
US1775021A
Cited
US2387189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |