US2563874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile heated tray
Assignee: Individual
•
Filing: 1948-09-29
•
Granted: 1951-08-14
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ruth F Salton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
A; A47; A47B; A47B31/00; A47B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US886537A
Cited
US912035A
Cited
US1505299A
Cited
US1850193A
Cited
US1871705A
Cited
US2119680A
Cited
US2251582A
Cited
US2466085A
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 |