US2872270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding refrigerator shelf
Assignee: Chamberlain Corp
•
Filing: 1956-08-06
•
Granted: 1959-02-03
•
Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Olive Charles R D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:23
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/02; F25D25/024; F25D2325/00; F25D2325/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US702389A
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US1052516A
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US1707013A
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US1861123A
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US2033792A
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US1938217A
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US1974983A
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US2380053A
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US2403588A
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US2564473A
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US2671004A
Cited
US2620255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |