US2591440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonating apparatus
Assignee: Individual
•
Filing: 1945-12-08
•
Granted: 1952-04-01
•
Expires: 1965-12-08
Abstract
No abstract record available.
Inventors
- 👤 Kollsman Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:37
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0057; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/236; B01F23/2361; B01F23/2363; B01F35/00; B01F35/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 0
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US2391003A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |