Patent EP0386921A2 successfully refreshed from Google Patents.
US2226541A
Expired / Lapsed
US
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Cement and method of preparing the same
Assignee: Goodrich Corp
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Filing: 1938-04-27
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Granted: 1940-12-31
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Expires: 1958-04-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
C; C09; C09J; C09J107/00; C04; C04B; C04B24/00; C04B24/24; C04B24/26; C04B24/2611; C09J111/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-12-31 | 1944-07-01 | 1944-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-31 | 1948-07-01 | 1948-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-31 | 1952-07-01 | 1952-12-31 | $7700.00 | Window Closed / Lapsed |