US2526071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable inclined elevator
Assignee: ALUMINEX Inc
•
Filing: 1948-09-10
•
Granted: 1950-10-17
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Estey James Royden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:27
CPC Classifications
B; B66; B66B; B66B9/00; B66B9/16; B66B9/187; Y; Y10; Y10S; Y10S187/00; Y10S187/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129468A
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US534130A
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US1250478A
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US1770555A
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US1953056A
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US2109196A
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US2297572A
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US2386410A
Cited
US2480392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |