US2933193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner lock construction for racks
Assignee: Rolock Inc
•
Filing: 1956-11-13
•
Granted: 1960-04-19
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Mattia Andrew D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:15
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/08; A47B57/10; A47F; A47F5/00; A47F5/10; A47F5/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US893786A
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US1060919A
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US1172026A
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US1625612A
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US1827449A
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US2093137A
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FR931418A
Cited
US2240367A
Cited
US2300783A
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US2652768A
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US2804227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |