US2732286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propstl
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:26
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A RECORDING METHOD COMPRISING THE STEPS OF PROVIDING A BASE MEMBER HAVING DEPOSITED THEREON A COHERENT LAYER CONSISTING OF HIGHLY-DISPERSED METALLIC PARTICLES AND HAVING A THICKNESS OF FROM 0.005 TO 2U, APPLYING TO SELECTED AREAS OF SAID LAYER CONFORMING TO THE OUTLINE OF A RECORD TO BE PRODUCED A PRESSURE TO AFFECT THE RATE OF REACTION OF THE LAYER METAL WITH A DISINTEGRATING AGENT, TO THEREBY FORM A LATENT IMAGE OF SAID RECORD, AND SUBJECTING SAID LAYER TO A DISINTEGRATING AGENT DURING A PREDETERMINED TIME PERIOD, TO CAUSE A DIFFERENTIAL DISINTEGRATION AT THE ACTIVATED AND NON-ACTIVATED AREAS, RESPECTIVELY, OF THE LAYER METAL, WHEREBY TO CONVERT SAID LATENT IMAGE INTO A VISIBLE IMAGE UPON SAID MEMBER.
Claim 2
Dependent Claim
115 words
A RECORDING METHOD COMPRISING THE STEPS OF PROVIDING A BASE MEMBER HAVING DEPOSITED THEREON A COHERENT LAYER CONSISTING OF HIGHLY-DISPERSED METALLIC PARTICLES AND HAVING A THICKNESS OF FROM 0.005 TO 2U, APPLYING TO SELECTED AREAS OF SAID LAYER CONFORMING TO THE OUTLINE OF A RECORD TO BE PRODUCED A PRESSURE TO AFFECT THE RATE OF REACTION OF THE LAYER METAL WITH A DISINTEGRATING AGENT, TO THEREBY FORM A LATENT IMAGE OF SAID RECORD, AND SUBJECTING SAID LAYER TO A DISINTEGRATING AGENT DURING A PREDETERMINED TIME PERIOD, TO CAUSE A DIFFERENTIAL DISINTEGRATION AT THE ACTIVATED AND NON-ACTIVATED AREAS, RESPECTIVELY, OF THE LAYER METAL, WHEREBY TO CONVERT SAID LATENT IMAGE INTO A VISIBLE IMAGE UPON SAID MEMBER.
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) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |