US2874407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latex slab making apparatus
Assignee: Bridgestone Firestone Inc
•
Filing: 1955-11-25
•
Granted: 1959-02-24
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Leo A Chabot
- 👤 Bertrand J Durand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:31
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/467; B29K; B29K2021/00; B29K2105/00; B29K2105/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL39915C
Cited
US2072597A
Cited
US2161308A
Cited
US2324977A
Cited
US2441235A
Cited
US2369484A
Cited
US2404582A
Cited
US2623239A
Cited
GB699667A
Cited
US2712154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |