Patent US2072350A successfully refreshed from Google Patents.
US2072350A
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Carbonating apparatus
Assignee: General Dry Batteries Inc
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Filing: 1934-11-16
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Granted: 1937-03-02
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Expires: 1954-11-16
Abstract
No abstract record available.
Inventors
- 👤 Mordecai M Welker
- 👤 Cory R Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:01
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0057; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; B01F35/00; B01F35/71; B01F35/712; B01F35/717; B01F35/71805; B01F35/75; B01F35/754; B01F35/7547; Y; Y10; Y10S; Y10S261/00; Y10S261/07
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) | 1940-03-01 | 1940-08-31 | 1941-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-01 | 1944-08-31 | 1945-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-01 | 1948-08-31 | 1949-03-02 | $7700.00 | Window Closed / Lapsed |