US3415389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacker
Assignee: Chemcut Corp
•
Filing: 1966-09-27
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Granted: 1968-12-10
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Expires: 1986-09-27
Abstract
No abstract record available.
Inventors
- 👤 Smith Stanley Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:14
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/53; B65G47/54; B65G57/00; B65G57/02; B65G57/03; B65G57/035; B65G57/06; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102; Y10S414/103
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |