US1926085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double deck spring
Assignee: Individual
•
Filing: 1932-06-06
•
Granted: 1933-09-12
•
Expires: 1952-06-06
Abstract
No abstract record available.
Inventors
- 👤 Pierce H Deamer
- 👤 Landolt Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0433
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) | 1936-09-11 | 1937-03-13 | 1937-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-11 | 1941-03-13 | 1941-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-11 | 1945-03-13 | 1945-09-12 | $7700.00 | Window Closed / Lapsed |