Patent US6283995B1 successfully refreshed from Google Patents.
US1394255A
Expired / Lapsed
US
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Testing-mold
Assignee: Individual
•
Filing: 1920-09-23
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Granted: 1921-10-18
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Expires: 1940-09-23
Abstract
No abstract record available.
Inventors
- 👤 Helen M Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:15
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/34; B28B23/00; B28B23/0031; B28B7/0094; Y; Y10; Y10S; Y10S249/00; Y10S249/04; Y10S264/00; Y10S264/44
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) | 1924-10-17 | 1925-04-18 | 1925-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-17 | 1929-04-18 | 1929-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-17 | 1933-04-18 | 1933-10-18 | $7700.00 | Window Closed / Lapsed |