Patent US1970008A successfully refreshed from Google Patents.
US1970008A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1932-06-28
•
Granted: 1934-08-14
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Expires: 1952-06-28
Abstract
No abstract record available.
Inventors
- 👤 Larson Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:22
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/14; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/252; E05Y2201/254; E05Y2201/262; E05Y2201/266; Y; Y10; Y10S; Y10S16/00; Y10S16/09
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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |