Patent US1534818A successfully refreshed from Google Patents.
US1534818A
Expired / Lapsed
US
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Sewing machine
Assignee: VALMONT Manufacturing CO Inc
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Filing: 1923-08-14
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Granted: 1925-04-21
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Expires: 1943-08-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:29
CPC Classifications
D; D05; D05B; D05B21/00; D05B21/007; D05B29/00; D05B29/06; D05D; D05D2303/00; D05D2303/30
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) | 1928-04-20 | 1928-10-20 | 1929-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-20 | 1932-10-20 | 1933-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-20 | 1936-10-20 | 1937-04-21 | $7700.00 | Window Closed / Lapsed |