Patent US2585531A successfully refreshed from Google Patents.
US2585531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball point pen ink
Assignee: Individual
•
Filing: 1949-12-16
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Granted: 1952-02-12
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Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Bernfeld Sandor
- 👤 Bomse Bernard
- 👤 Scharfspitz Sylvain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:01
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/16; C09D11/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A PERFUMED INK FOR BALL POINT PENS, COMPRISING WATER IN AN AMOUNT OF FROM 4800 TO 5000 GRAMS, ALCOHOL OF THE AMOUNT TO MAKE THE COMBINED WEIGHT OF THE WATER 6000 GRAMS, 500 GRAMS OF STEARIN 50 GRAMS OF GLYCERIN 100 GRAMS OF TRIETHANOLAMINE 100 GRAMS OF LANOLIN 20 GRAMS OF TOLU BALSAM 30 GRAMS OF MUSCONE 50 GRAMS OF AMBRETTE 50 GRAMS OF PATCHOULI 2 GRAMS OF CHOLESTEROL 50 GRAMS OF STYRAX GUM AND 400 GRAMS OF ANILINE COLORING MATTER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |