US2992443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination box spring and bed board
Assignee: ATLANTIC SPRING PRODUCTS Co
•
Filing: 1958-07-18
•
Granted: 1961-07-18
•
Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Winikoff Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0431
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US135774A
Cited
CA520982A
Cited
US2154910A
Cited
US2347617A
Cited
US2273064A
Cited
US2529268A
Cited
US2836836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |