US2886856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable trailer
Assignee: Individual
•
Filing: 1956-04-04
•
Granted: 1959-05-19
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Che Suk Kun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/3442; E04B1/3444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896748A
Cited
US2225194A
Cited
US2247893A
Cited
US2368936A
Cited
US2395691A
Cited
US2606057A
Cited
US2689003A
Cited
US2624649A
Cited
GB699753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |