Patent US1635807A successfully refreshed from Google Patents.
US1635807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for shearing tubular members
Assignee: BERNARD L ENGELKE
•
Filing: 1924-01-19
•
Granted: 1927-07-12
•
Expires: 1944-01-19
Abstract
No abstract record available.
Inventors
- 👤 Walter E Amberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/14; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16016; Y10T82/16147; Y10T82/16229; Y10T82/16426; Y10T82/16967
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1930-07-11 | 1931-01-10 | 1931-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-07-11 | 1935-01-10 | 1935-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-07-11 | 1939-01-10 | 1939-07-12 | $7700.00 | Window Closed / Lapsed |