US2791336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable and collapsible rack
Assignee: Individual
•
Filing: 1953-07-03
•
Granted: 1957-05-07
•
Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Stairwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:01
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2045942A
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US2414334A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |