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
2026-11-03 01:54
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1396564A
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US1720690A
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US1897594A
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US1868638A
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US2301866A
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US2360029A
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US2340374A
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US2624292A
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US2594208A
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US2565997A
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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 |