Patent US2772641A successfully refreshed from Google Patents.
US2772641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable partition for cars, trucks and warehouses
Assignee: ROBERTS
•
Filing: 1952-07-23
•
Granted: 1956-12-04
•
Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Roberts Don
- 👤 Hockenbury Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1152630A
Cited
US1396564A
Cited
US1720690A
Cited
US1897594A
Cited
US1868638A
Cited
US2301866A
Cited
US2360029A
Cited
US2340374A
Cited
US2624292A
Cited
US2594208A
Cited
US2565997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |