US2163876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for vulcanizing patches
Assignee: HOLFAST RUBBER Co
•
Filing: 1936-01-10
•
Granted: 1939-06-27
•
Expires: 1956-01-10
Abstract
No abstract record available.
Inventors
- 👤 Matthew E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:20
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/24; B29C73/30; B29C73/04; B29C73/10; B29L; B29L2023/00; B29L2023/24; B29L2023/245; B29L2030/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-06-26 | 1942-12-26 | 1943-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-26 | 1946-12-26 | 1947-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-26 | 1950-12-26 | 1951-06-27 | $7700.00 | Window Closed / Lapsed |