US3317283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak detecting device
Assignee: American Gas and Chemicals Inc
•
Filing: 1963-08-13
•
Granted: 1967-05-02
•
Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Cecil V King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:37
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
AN ORGANIC SOLVENT LEAK DETECTING DEVICE COMPRISING A FIBROUS WEB HAVING AN ORGANIC SOLVENT PERMEABLE ADHESIVE COATING ON A FACE THEREOF, SAID COATING HAVING AN ORGANIC SOLVENT SOLUBLE, WATER INSOLUBLE DYE DISPERSED THERIN WHEREBY AN ORGANIC SOLVENT APPLIED TO SAID AD-
Claim 2
Dependent Claim
41 words
AN ORGANIC SOLVENT LEAK DETECTING DEVICE COMPRISING A FIBROUS WEB HAVING AN ORGANIC SOLVENT PERMEABLE ADHESIVE COATING ON A FACE THEREOF, SAID COATING HAVING AN ORGANIC SOLVENT SOLUBLE, WATER INSOLUBLE DYE DISPERSED THERIN WHEREBY AN ORGANIC SOLVENT APPLIED TO SAID AD-
References Cited (Backward Citations)
US2249867A
Cited
US2567445A
Cited
US2918893A
Cited
US2918033A
Cited
US2976124A
Cited
US3046097A
Cited
US3087794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |