US1928906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device
Assignee: Barr Rubber Products Co
•
Filing: 1929-10-28
•
Granted: 1933-10-03
•
Expires: 1949-10-28
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Morton
- 👤 Randolph J Dorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:19
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29K; B29K2021/00
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) | 1936-10-02 | 1937-04-03 | 1937-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-02 | 1941-04-03 | 1941-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-02 | 1945-04-03 | 1945-10-03 | $7700.00 | Window Closed / Lapsed |