US3387043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Homologation process
Assignee: Commercial Solvents Corp
•
Filing: 1964-12-28
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Granted: 1968-06-04
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Kuraishi Michio
- 👤 Asano Setsunobu
- 👤 Shinozaki Yoshiaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:27
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |