US1790654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thekla tt
Assignee: —
•
Filing: —
•
Granted: 1931-02-03
•
Expires: 1948-02-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:17
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/001; A61H1/02; A61H1/0292; A61H2201/00; A61H2201/12; A61H2201/1207; A61H2201/1215; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/1633; A61H2201/1657; A61H2201/1671; A61H2201/1673; A61H2201/1676; A61H2201/1678; A61H2203/00; A61H2203/04; A61H2203/0425; A61H2205/00; A61H2205/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184
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) | 1934-02-02 | 1934-08-04 | 1935-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-02 | 1938-08-04 | 1939-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-02 | 1942-08-04 | 1943-02-03 | $7700.00 | Window Closed / Lapsed |