Patent US2721632A successfully refreshed from Google Patents.
US2721632A
Expired / Lapsed
US
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Partition structure for articles of furniture
Assignee: Individual
•
Filing: 1952-05-07
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Granted: 1955-10-25
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Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 Surpierre Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:45
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/02; A47B47/021; A47B47/025; A47B2220/00; A47B2220/0036; A47B2220/0041; Y; Y10; Y10T; Y10T403/00; Y10T403/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304865A
Cited
GB248272A
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GB342048A
Cited
US1855242A
Cited
US1984473A
Cited
GB457767A
Cited
US2108950A
Cited
GB543832A
Cited
US2500309A
Cited
US2538958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |