Patent US2688381A successfully refreshed from Google Patents.
US2688381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soda water making process and apparatus
Assignee: Individual
•
Filing: 1949-04-23
•
Granted: 1954-09-07
•
Expires: 1969-04-23
Abstract
No abstract record available.
Inventors
- 👤 Epstein Meyer
- 👤 James S Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:06
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/20; B01F35/21; B01F35/211; B01F35/2112; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; B01F23/2363; B01F35/213; B01F35/2132; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |