US2883002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building materials elevator for scaffolds
Assignee: Universal Manufacturing Corp
•
Filing: 1957-11-14
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Granted: 1959-04-21
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Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Oscar E Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:28
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)
US1136604A
Cited
US2569653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |