US1387996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-screw
Assignee: Individual
•
Filing: 1921-06-24
•
Granted: 1921-08-16
•
Expires: 1941-06-24
Abstract
No abstract record available.
Inventors
- 👤 Edward W Menger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:55
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/16; B25B5/163; B25B5/06; B25B5/10; B25B5/101; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986
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) | 1924-08-15 | 1925-02-14 | 1925-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-15 | 1929-02-14 | 1929-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-15 | 1933-02-14 | 1933-08-16 | $7700.00 | Window Closed / Lapsed |