US2635935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covered top construction for desks and the like
Assignee: Unisys Corp
•
Filing: 1947-04-30
•
Granted: 1953-04-21
•
Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Andersen Niels Yde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
A; A47; A47B; A47B13/00; A47B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US343775A
Cited
US1810579A
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US1836911A
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US1822032A
Cited
US2090679A
Cited
US2237840A
Cited
US2186530A
Cited
US2263204A
Cited
US2298578A
Cited
US2330988A
Cited
US2316035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |