Patent US1152890A successfully refreshed from Google Patents.
US1296472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay-working.
Assignee: Individual
•
Filing: 1918-01-17
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Granted: 1919-03-04
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Expires: 1938-01-17
Abstract
No abstract record available.
Inventors
- 👤 John J F Brand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/04; B; B28; B28B; B28B1/00; B28B1/04; C01; C01P; C01P2006/00; C01P2006/60; Y; Y10; Y10S; Y10S264/00; Y10S264/39
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) | 1922-03-03 | 1922-09-02 | 1923-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-03 | 1926-09-02 | 1927-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-03 | 1930-09-02 | 1931-03-04 | $7700.00 | Window Closed / Lapsed |