US1972994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for carbonating water
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1932-10-26
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Granted: 1934-09-11
•
Expires: 1952-10-26
Abstract
No abstract record available.
Inventors
- 👤 Huntley George John
- 👤 Robert J Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:23
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0057; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; 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) | 1937-09-10 | 1938-03-12 | 1938-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-10 | 1942-03-12 | 1942-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-10 | 1946-03-12 | 1946-09-11 | $7700.00 | Window Closed / Lapsed |