US2160541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic system
Assignee: Individual
•
Filing: 1936-12-12
•
Granted: 1939-05-30
•
Expires: 1956-12-12
Abstract
No abstract record available.
Inventors
- 👤 Dubonnet Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:14
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/04; B60G11/00; B60G11/14; B60G11/32; B60G11/48; B60G17/00; B60G17/02; B60G17/021; B60G2202/00; B60G2202/10; B60G2202/12; B60G2202/13; B60G2202/134; B60G2202/30; B60G2202/31; B60G2202/312; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/124; B60G2204/40; B60G2204/45; B60G2204/4502; B60G2204/4504; B60G2500/00; B60G2500/20
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |