Patent US2116939A successfully refreshed from Google Patents.
US2116939A
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Method and apparatus for carbonating beverages
Assignee: Zahm & Nagel Co Inc
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Filing: 1936-10-17
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Granted: 1938-05-10
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Expires: 1956-10-17
Abstract
No abstract record available.
Inventors
- 👤 Zahm Edward
- 👤 George G Zahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/14
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) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |