US2455835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable solar still
Assignee: Individual
•
Filing: 1946-02-04
•
Granted: 1948-12-07
•
Expires: 1966-02-04
Abstract
No abstract record available.
Inventors
- 👤 Alexis E Ushakoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:35
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/18; C02F1/14; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02A20/138; Y02A20/142; Y02A20/20; Y02A20/208; Y02A20/212; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S159/904; Y10S159/906; Y10S203/00; Y10S203/01; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US102633A
Cited
US1812516A
Cited
US2402737A
Cited
US2405118A
Cited
US2405877A
Cited
US2412466A
Cited
US2393291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |