Patent US3324237A successfully refreshed from Google Patents.
US2809897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungicidal coating compositions
Assignee: Texaco Inc
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Filing: 1955-05-02
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Granted: 1957-10-15
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Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Edward R Christensen
- 👤 John E Tessieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:15
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A FUNGUS-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF ASPHALT AND 0.05-10% OF A SALT OF DITHIOFUROIC ACID SELECTED FROM THE GROUP CONSISTING OF GROUPS I AND II METAL SALTS.
Claim 2
Dependent Claim
27 words
A FUNGUS-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF ASPHALT AND 0.05-10% OF A SALT OF DITHIOFUROIC ACID SELECTED FROM THE GROUP CONSISTING OF GROUPS I AND II METAL SALTS.
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) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |