US2849408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst
Assignee: EIDP Inc
•
Filing: 1947-02-21
•
Granted: 1958-08-26
•
Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul F Bente
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:48
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; C01B13/0214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AS A CATALYST STRUCTURE SUITABLE FOR THE DECOMPOSITION OF HYDROGEN PEROXIDE, A METAL SUPPORT, A SUBSTANCE TAKEN FROM THE CLASS CONSISTING OF ANODICALLY OXIDIZED LEAD AND ELECTRODEPOSITED COBALT ADHERENT TO SAID SUPPORT AND AN ACTIVATING SURFACE COATING OF SPONGY SILVER ON SAID SUBSTANCE.
Claim 2
Dependent Claim
43 words
AS A CATALYST STRUCTURE SUITABLE FOR THE DECOMPOSITION OF HYDROGEN PEROXIDE, A METAL SUPPORT, A SUBSTANCE TAKEN FROM THE CLASS CONSISTING OF ANODICALLY OXIDIZED LEAD AND ELECTRODEPOSITED COBALT ADHERENT TO SAID SUPPORT AND AN ACTIVATING SURFACE COATING OF SPONGY SILVER ON SAID SUBSTANCE.
References Cited (Backward Citations)
US2111584A
Cited
US2364970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |