US2485102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement composition and indurating mixture therefor
Assignee: Master Builders Co
•
Filing: 1945-11-29
•
Granted: 1949-10-18
•
Expires: 1965-11-29
Abstract
No abstract record available.
Inventors
- 👤 Donald R Macpherson
- 👤 Wesley G France
- 👤 Fred M Ernsberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:42
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B24/00; C04B24/16; C04B24/18; Y; Y10; Y10S; Y10S588/00; Y10S588/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169980A
Cited
US2141570A
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US2081642A
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US2201812A
Cited
US2229311A
Cited
US2360519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |