Patent US1539230A successfully refreshed from Google Patents.
US1539230A
Expired / Lapsed
US
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Drier
Assignee: Individual
•
Filing: 1923-01-10
•
Granted: 1925-05-26
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Expires: 1943-01-10
Abstract
No abstract record available.
Inventors
- 👤 George R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:24
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B15/00; F26B15/10; F26B15/12; F26B15/16; F26B21/20; F26B21/202
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) | 1928-05-25 | 1928-11-24 | 1929-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-25 | 1932-11-24 | 1933-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-25 | 1936-11-24 | 1937-05-26 | $7700.00 | Window Closed / Lapsed |