Patent US2556724A successfully refreshed from Google Patents.
US2556724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable folding desk for automobile seats
Assignee: Individual
•
Filing: 1949-01-03
•
Granted: 1951-06-12
•
Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Willis H Hubseh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/001; B60N3/002; B60N3/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1383324A
Cited
US1403317A
Cited
US1451655A
Cited
US1742822A
Cited
US2188897A
Cited
US2173569A
Cited
US2399792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |