US2647734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household carbonator
Assignee: Individual
•
Filing: 1951-03-14
•
Granted: 1953-08-04
•
Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:12
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; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2559; Y10T137/2564
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1272299A
Cited
US1840859A
Cited
US1808854A
Cited
US1961732A
Cited
US1943903A
Cited
US2446051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |