US2123798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming and treating sinuous springs
Assignee: Murray Corp
•
Filing: 1936-02-24
•
Granted: 1938-07-12
•
Expires: 1956-02-24
Abstract
No abstract record available.
Inventors
- 👤 Edward J Podany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:05
CPC Classifications
B; B21; B21F; B21F43/00; B21F11/00; B21F11/005; B21F35/00; B21F35/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5187
Claims Analysis
Total Claims: 0
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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) | 1941-07-11 | 1942-01-10 | 1942-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-11 | 1946-01-10 | 1946-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-11 | 1950-01-10 | 1950-07-12 | $7700.00 | Window Closed / Lapsed |