Patent US2578425A successfully refreshed from Google Patents.
US2578425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative marking composition
Assignee: Individual
•
Filing: 1948-05-26
•
Granted: 1951-12-11
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Hershkowitz Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:30
CPC Classifications
C; C09; C09D; C09D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A TAILOR''S MARKING COMPOSITION COMPRISING AN OPAQUE SOLID BODY OBTAINED BY FUSING TOGETHER A MIXTURE OF AROMATIC COMPOUNDS CONSISTING OF 84.5% SALICYLIC ACID, ABOUT 10% BENZOIC ACID, 0-5% PHTHALIC ANHYDRIDE AND 0-0.5% PERFUME OIL, SAID BODY BEING CHARACTERIZED AS SUBJECT TO SLOW SUBLIMATION UNDER ATMOSPHERIC CONDITIONS, WHEREBY A MARK PRODUCED THEREWITH WILL EVAPORATE AND DISAPPEAR IN A PERIOD OF ABOUT TWO TO FIVE DAYS UNDER ATMOSPHERIC CONDITIONS.
Claim 2
Dependent Claim
67 words
A TAILOR''S MARKING COMPOSITION COMPRISING AN OPAQUE SOLID BODY OBTAINED BY FUSING TOGETHER A MIXTURE OF AROMATIC COMPOUNDS CONSISTING OF 84.5% SALICYLIC ACID, ABOUT 10% BENZOIC ACID, 0-5% PHTHALIC ANHYDRIDE AND 0-0.5% PERFUME OIL, SAID BODY BEING CHARACTERIZED AS SUBJECT TO SLOW SUBLIMATION UNDER ATMOSPHERIC CONDITIONS, WHEREBY A MARK PRODUCED THEREWITH WILL EVAPORATE AND DISAPPEAR IN A PERIOD OF ABOUT TWO TO FIVE DAYS UNDER ATMOSPHERIC CONDITIONS.
References Cited (Backward Citations)
US194886A
Cited
GB190523206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |