US1928356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubberized material
Assignee: Individual
•
Filing: 1931-03-20
•
Granted: 1933-09-26
•
Expires: 1951-03-20
Abstract
No abstract record available.
Inventors
- 👤 Haertel Hans Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:47
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/12; B60J7/1226; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642
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) | 1936-09-25 | 1937-03-27 | 1937-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-25 | 1941-03-27 | 1941-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-25 | 1945-03-27 | 1945-09-26 | $7700.00 | Window Closed / Lapsed |