Patent US2598192A successfully refreshed from Google Patents.
US2598192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective cover for frangible disks
Assignee: Sears Roebuck and Co
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Filing: 1948-08-16
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Granted: 1952-05-27
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Expires: 1968-08-16
Abstract
No abstract record available.
Inventors
- 👤 Milton L Poust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
B; B65; B65D; B65D59/00; B65D85/00; B65D85/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1537585A
Cited
US1646593A
Cited
US1873618A
Cited
US2260962A
Cited
US2344919A
Cited
US2262874A
Cited
US2442979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |