US2827385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick seiting cement
Assignee: EL Bruce Co
•
Filing: 1954-10-25
•
Granted: 1958-03-18
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Frank H Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B24/00; C04B24/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1976679A
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US2019980A
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GB437446A
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DE629513C
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GB466229A
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US2157018A
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US2317328A
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US2542364A
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US2614998A
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GB701668A
Cited
US2672793A
Cited
US2648645A
Cited
US2651619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |