US1385889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1920-10-30
•
Granted: 1921-07-26
•
Expires: 1940-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles B Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:40
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0025; E05C; E05C1/00; E05C1/02; E05C1/04; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/1039; Y10T292/1041
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) | 1924-07-25 | 1925-01-24 | 1925-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-25 | 1929-01-24 | 1929-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-25 | 1933-01-24 | 1933-07-26 | $7700.00 | Window Closed / Lapsed |