US2840243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf for partition structure
Assignee: Globe Wernicke Co
•
Filing: 1955-06-13
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Granted: 1958-06-24
•
Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 John H Brinker
- 👤 Leonard A Ehrhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/14; A47B96/1416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US541395A
Cited
US1806642A
Cited
GB191009343A
Cited
FR615561A
Cited
US1706469A
Cited
US2626063A
Cited
US2644591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |