US2883249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible support for table leaf
Assignee: Singer Co
•
Filing: 1958-04-02
•
Granted: 1959-04-21
•
Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 William A Batson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:03
CPC Classifications
A; A47; A47B; A47B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1902175A
Cited
US1993787A
Cited
US2329293A
Cited
US2420041A
Cited
US2686332A
Cited
US2716044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |