US2074008A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1936-10-17
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Granted: 1937-03-16
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Expires: 1956-10-17
Abstract
No abstract record available.
Inventors
- 👤 Henry I Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:09
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/02; E05F5/06; E05F5/10; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/252; E05Y2201/254; E05Y2201/256; E05Y2201/262; E05Y2201/264; E05Y2201/40; E05Y2201/47; E05Y2201/474
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) | 1940-03-15 | 1940-09-14 | 1941-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-15 | 1944-09-14 | 1945-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-15 | 1948-09-14 | 1949-03-16 | $7700.00 | Window Closed / Lapsed |