Patent US2027261A successfully refreshed from Google Patents.
US2316705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fluent cement or cement grout
Assignee: Individual
•
Filing: 1940-11-05
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Granted: 1943-04-13
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Expires: 1960-11-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley John Morgan
- 👤 Charles John Gammon
- 👤 Harry Stuart Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:11
CPC Classifications
B; B28; B28C; B28C9/00; B28C9/002; B28C9/004
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) | 1946-04-12 | 1946-10-12 | 1947-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-12 | 1950-10-12 | 1951-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-12 | 1954-10-12 | 1955-04-13 | $7700.00 | Window Closed / Lapsed |