US1573570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting springs for use in bed bottoms and other places
Assignee: Individual
•
Filing: 1923-11-02
•
Granted: 1926-02-16
•
Expires: 1943-11-02
Abstract
No abstract record available.
Inventors
- 👤 Cornelius B Platt
- 👤 William S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:20
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-02-15 | 1929-08-17 | 1930-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-15 | 1933-08-17 | 1934-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-15 | 1937-08-17 | 1938-02-16 | $7700.00 | Window Closed / Lapsed |