Patent US3481604A successfully refreshed from Google Patents.
Patent US2713655A successfully refreshed from Google Patents.
US2713655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selenium rectifier
Assignee: Individual
•
Filing: 1951-01-04
•
Granted: 1955-07-19
•
Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Grubman Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:37
CPC Classifications
H; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METALLIC RECTIFIER COMPRISING TWO METALLIC PLATES EACH HAVING ONE SIDE COATED WITH A RECTIFYING COMPOUND, SAID PLATES MOUNTED IN A STACK WITH THE ONE SIDE OF ONE OF SAID PLATES ELECTRICALLY CONNECTED TO THE OTHER SIDE OF THE ADJACENT PLATE, ONE OF SAID PLATES BEING CORRUGATED, AND TERMINALS FOR SAID RECTIFER IN CONTACT WITH THE TWO OUTER SURFACE OF THE STACK.
Claim 2
Dependent Claim
62 words
A METALLIC RECTIFIER COMPRISING TWO METALLIC PLATES EACH HAVING ONE SIDE COATED WITH A RECTIFYING COMPOUND, SAID PLATES MOUNTED IN A STACK WITH THE ONE SIDE OF ONE OF SAID PLATES ELECTRICALLY CONNECTED TO THE OTHER SIDE OF THE ADJACENT PLATE, ONE OF SAID PLATES BEING CORRUGATED, AND TERMINALS FOR SAID RECTIFER IN CONTACT WITH THE TWO OUTER SURFACE OF THE STACK.
References Cited (Backward Citations)
US1738113A
Cited
US2316553A
Cited
US2388532A
Cited
US2328488A
Cited
US2416152A
Cited
US2474809A
Cited
US2489767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |