US1901910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shear
Assignee: United Engineering and Foundry Co
•
Filing: 1928-11-09
•
Granted: 1933-03-21
•
Expires: 1948-11-09
Abstract
No abstract record available.
Inventors
- 👤 Johnson Lane
- 👤 John A Smitmans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:07
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/08; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4685; Y10T83/4734; Y10T83/4749; Y10T83/4751; Y10T83/4754; Y10T83/727; Y10T83/738
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) | 1936-03-20 | 1936-09-19 | 1937-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-20 | 1940-09-19 | 1941-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-20 | 1944-09-19 | 1945-03-21 | $7700.00 | Window Closed / Lapsed |