US2427262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable solar still
Assignee: Gallowhur Chemical Corp
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Filing: 1943-09-04
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Granted: 1947-09-09
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Expires: 1963-09-04
Abstract
No abstract record available.
Inventors
- 👤 William R P Delano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:25
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; F; F24; F24S; F24S10/00; F24S10/50; F24S10/55; F24S10/60; F24S10/80; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903; Y10S159/904; Y10S159/906; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |