US2634183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Round folding supplemental table top
Assignee: Individual
•
Filing: 1950-01-28
•
Granted: 1953-04-07
•
Expires: 1970-01-28
Abstract
No abstract record available.
Inventors
- 👤 Derman Henrietta
- 👤 Derman Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:36
CPC Classifications
A; A47; A47B; A47B1/00; A47B1/02; A47B3/00; A47B3/08; A47B3/083; A47B2003/0835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US155511A
Cited
US609592A
Cited
US1007727A
Cited
AT86663B
Cited
US1970173A
Cited
US1921645A
Cited
US1978650A
Cited
US2209789A
Cited
US2214074A
Cited
US2533147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |