US1897196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination machine and wood screw
Assignee: Individual
•
Filing: 1929-08-21
•
Granted: 1933-02-14
•
Expires: 1949-08-21
Abstract
No abstract record available.
Inventors
- 👤 Emma F Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0084; F16B25/00; F16B25/001; F16B25/0015; F16B25/0036; F16B25/0042; F16B25/0057; F16B35/00; F16B35/04; F16B35/06
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) | 1936-02-14 | 1936-08-15 | 1937-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-14 | 1940-08-15 | 1941-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-14 | 1944-08-15 | 1945-02-14 | $7700.00 | Window Closed / Lapsed |