US2637111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank gauging device
Assignee: Individual
•
Filing: 1947-03-27
•
Granted: 1953-05-05
•
Expires: 1967-03-27
Abstract
No abstract record available.
Inventors
- 👤 Mcduff Pete
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:22
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US577503A
Cited
GB291676A
Cited
US1823801A
Cited
US2006301A
Cited
US2158936A
Cited
US2102615A
Cited
US2282774A
Cited
US2226060A
Cited
US2345054A
Cited
US2356347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |