US2947599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitors
Assignee: Arthur D Little Inc
•
Filing: 1955-07-05
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Granted: 1960-08-02
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 John L Ennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:11
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10N; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
AN ANTI-CORROSION WRAPPING PAPER SUITABLE FOR PROTECTING METALLIC OBJECTS, SAID WRAPPING PAPER BEING IMPREGNATED WITH A CORROSION INHIBITOR, SAID CORROSION INHIBITOR COMPRISING A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |