Patent US2889562A successfully refreshed from Google Patents.
US2889562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring unit for cribs and the like
Assignee: Nachman Corp
•
Filing: 1955-06-23
•
Granted: 1959-06-09
•
Expires: 1975-06-23
Abstract
No abstract record available.
Inventors
- 👤 William W Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:18
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0431; A47C27/00; A47C27/04; A47C27/06; A47C27/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US399867A
Cited
US681124A
Cited
US1986839A
Cited
US2347617A
Cited
US2273064A
Cited
US2375817A
Cited
US2567520A
Cited
US2529268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |