US2424915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizing apparatus
Assignee: Bridgestone Firestone Inc
•
Filing: 1943-06-01
•
Granted: 1947-07-29
•
Expires: 1963-06-01
Abstract
No abstract record available.
Inventors
- 👤 George P Bosomworth
- 👤 Hans G Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; Y; Y10; Y10S; Y10S425/00; Y10S425/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892942A
Cited
CH174146A
Cited
US2174188A
Cited
US2198493A
Cited
US2279540A
Cited
US2316352A
Cited
US2291506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |