US2331084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulator
Assignee: Individual
•
Filing: 1941-06-14
•
Granted: 1943-10-05
•
Expires: 1961-06-14
Abstract
No abstract record available.
Inventors
- 👤 Christian A Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:06
CPC Classifications
F; F02; F02D; F02D9/00; G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/107; F02D2700/00; F02D2700/02; F02D2700/0202; F02D2700/0215; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7613; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/7832; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/87016
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) | 1946-10-04 | 1947-04-05 | 1947-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-04 | 1951-04-05 | 1951-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-04 | 1955-04-05 | 1955-10-05 | $7700.00 | Window Closed / Lapsed |