US2564473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding shelf
Assignee: General Electric Co
•
Filing: 1947-03-15
•
Granted: 1951-08-14
•
Expires: 1967-03-15
Abstract
No abstract record available.
Inventors
- 👤 Du Vello A Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:51
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)
US1569010A
Cited
US1774236A
Cited
US2130279A
Cited
US2223947A
Cited
US2315053A
Cited
US2403164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |