US1558792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizing material and apparatus
Assignee: Individual
•
Filing: 1923-03-19
•
Granted: 1925-10-27
•
Expires: 1943-03-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Churchill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:29
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/24; B29C73/30; B29C73/04; B29C73/10; B29L; B29L2023/00; B29L2023/24; B29L2023/245; B29L2030/00; Y; Y10; Y10S; Y10S44/00; Y10S44/901
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) | 1928-10-26 | 1929-04-27 | 1929-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-26 | 1933-04-27 | 1933-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-26 | 1937-04-27 | 1937-10-27 | $7700.00 | Window Closed / Lapsed |