Patent EP0680160A2 successfully refreshed from Google Patents.
US2035537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck platform ladder
Assignee: AT&T Inc
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Filing: 1934-09-18
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Granted: 1936-03-31
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Expires: 1954-09-18
Abstract
No abstract record available.
Inventors
- 👤 Cowan Henry Benning
- 👤 Zerman William Cody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:24
CPC Classifications
E; E06; E06C; E06C5/00; E06C5/02; E06C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-03-31 | 1939-09-30 | 1940-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-31 | 1943-09-30 | 1944-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-31 | 1947-09-30 | 1948-03-31 | $7700.00 | Window Closed / Lapsed |