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US1570686A
Expired / Lapsed
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Tack-driving device
Assignee: Individual
•
Filing: 1925-04-15
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Granted: 1926-01-26
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Expires: 1945-04-15
Abstract
No abstract record available.
Inventors
- 👤 Oscar L Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
A; A43; A43D; A43D5/00; A43D5/12
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) | 1929-01-25 | 1929-07-27 | 1930-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-01-25 | 1933-07-27 | 1934-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-01-25 | 1937-07-27 | 1938-01-26 | $7700.00 | Window Closed / Lapsed |