US2536592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headrest-paper supply device
Assignee: Dial Corp
•
Filing: 1947-10-10
•
Granted: 1951-01-02
•
Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
- 👤 Orville S Caesar
- 👤 Harold C Wiederhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:01
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/58; B60N2/60; B60N2/6018; B60N2/6027; B60N2/80; B60N2/803; B60N2/879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US838733A
Cited
US857323A
Cited
US1217652A
Cited
US1379499A
Cited
US1985222A
Cited
US2099183A
Cited
US2425915A
Cited
US2449965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |