US2386504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering curing bag for tire section molds
Assignee: Individual
•
Filing: 1942-11-20
•
Granted: 1945-10-09
•
Expires: 1962-11-20
Abstract
No abstract record available.
Inventors
- 👤 Irwin F Proaps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/24; B29C73/30; B29C73/32; B29C73/325; B29C35/00; B29C35/02; B29C35/04; B29C35/045; B29C35/049; B29L; B29L2030/00
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) | 1948-10-08 | 1949-04-09 | 1949-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-08 | 1953-04-09 | 1953-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-08 | 1957-04-09 | 1957-10-09 | $7700.00 | Window Closed / Lapsed |