US2765237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions
Assignee: Midland Chemical Corp
•
Filing: 1953-02-27
•
Granted: 1956-10-02
•
Expires: 1973-02-27
Abstract
No abstract record available.
Inventors
- 👤 Folsom E Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
C; C04; C04B; C04B22/00; C04B22/02; C04B22/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2155592A
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US2180956A
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US2294756A
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US2355826A
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US2348045A
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US2509894A
Cited
US2690982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |