Patent US2818344A successfully refreshed from Google Patents.
US2818344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint compositions
Assignee: Buckman Laboratories Inc
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Filing: 1957-03-04
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Granted: 1957-12-31
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Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Buckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:54
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PAINT CONSISTING ESSENTIALLY OF A PIGMENT, A VEHICLE OF THE GROUP CONSISTING OF FILM-FORMING DRYING OILS, OIL VARNISHES, AND OIL-MODIFIED ALKYD RESINS, AND CONTAINING DISPERSED THEREIN IN PARTICULATE FORM, A BARIUM BORATE HAVING A BARIUM OXIDE CONTENT BETWEEN APPROXIMATELY 52.4 AND APPROXIMATELY 68.8 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
47 words
A PAINT CONSISTING ESSENTIALLY OF A PIGMENT, A VEHICLE OF THE GROUP CONSISTING OF FILM-FORMING DRYING OILS, OIL VARNISHES, AND OIL-MODIFIED ALKYD RESINS, AND CONTAINING DISPERSED THEREIN IN PARTICULATE FORM, A BARIUM BORATE HAVING A BARIUM OXIDE CONTENT BETWEEN APPROXIMATELY 52.4 AND APPROXIMATELY 68.8 PERCENT BY WEIGHT.
References Cited (Backward Citations)
US2556953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |