US2443294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Fram Corp
•
Filing: 1944-02-03
•
Granted: 1948-06-15
•
Expires: 1964-02-03
Abstract
No abstract record available.
Inventors
- 👤 Bickle Harry Milman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/04; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508084A
Cited
US2098963A
Cited
US2127835A
Cited
US2224123A
Cited
US2254662A
Cited
US2343168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |