US2743743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak detecting and sealing device
Assignee: Individual
•
Filing: 1948-01-22
•
Granted: 1956-05-01
•
Expires: 1968-01-22
Abstract
No abstract record available.
Inventors
- 👤 Charles I Galloup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:32
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2807; G01M3/2823; G01M3/005; F; F16; F16L; F16L2101/00; F16L2101/30; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44068; Y10T24/44641
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22483E
Cited
US768477A
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US813844A
Cited
US1110959A
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US1342927A
Cited
GB382185A
Cited
US2092041A
Cited
US2233930A
Cited
US2416441A
Cited
US2433930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |