US2616669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated mixing apparatus
Assignee: Individual
•
Filing: 1945-02-01
•
Granted: 1952-11-04
•
Expires: 1965-02-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Olcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:35
CPC Classifications
C; C13; C13B; C13B30/00; C13B30/02; C13B30/022; C13B30/023; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/152; Y10S165/154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US736875A
Cited
US1951996A
Cited
US1934006A
Cited
US1948280A
Cited
US2254386A
Cited
US2271862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |