US2436848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Individual
•
Filing: 1945-12-05
•
Granted: 1948-03-02
•
Expires: 1965-12-05
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
- 👤 Franklyn E Winnen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:29
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521; Y10T279/17529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818305A
Cited
US2228685A
Cited
US2345069A
Cited
US2364212A
Cited
US2397159A
Cited
US2383156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |