US2809134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making photocells
Assignee: Individual
•
Filing: 1953-06-18
•
Granted: 1957-10-08
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Oran T Mcilvaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:40
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/52; H; H10; H10F; H10F71/00; H10F71/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOF OF MAKING A PHOTOCELL COMPRISING APPLYING A PLURALITY OF LINES OF CONDUCTING MATERIAL ONTO AN INSULATING BASE SURFACE, AND APPLYING A SOLUTION OF A SEMICONDUCTOR THEREOVER TO SENITIZE SAID SURFACE, SAID SOLUTION BEING FORMED BY MIXING A SOLUTION OF A LEAD SALT IN WATER WITH A SECOND SOLUTION OF A SOLUBLE SALT CONTAINING SULFUR AND OXYGEN.
Claim 2
Dependent Claim
58 words
A METHOF OF MAKING A PHOTOCELL COMPRISING APPLYING A PLURALITY OF LINES OF CONDUCTING MATERIAL ONTO AN INSULATING BASE SURFACE, AND APPLYING A SOLUTION OF A SEMICONDUCTOR THEREOVER TO SENITIZE SAID SURFACE, SAID SOLUTION BEING FORMED BY MIXING A SOLUTION OF A LEAD SALT IN WATER WITH A SECOND SOLUTION OF A SOLUBLE SALT CONTAINING SULFUR AND OXYGEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |