US1887244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit forming apparatus and process
Assignee: METROPOLITAN DEVICE Corp
•
Filing: 1928-08-17
•
Granted: 1932-11-08
•
Expires: 1948-08-17
Abstract
No abstract record available.
Inventors
- 👤 John F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:58
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/08; B28B1/084; B28B3/00; B28B3/20; B28B3/22; B28B3/228
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) | 1935-11-08 | 1936-05-09 | 1936-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-08 | 1940-05-09 | 1940-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-08 | 1944-05-09 | 1944-11-08 | $7700.00 | Window Closed / Lapsed |