US2776320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aromatic hydroxy hydroperoxides
Assignee: Hercules Powder Co
•
Filing: 1954-03-17
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Granted: 1957-01-01
•
Expires: 1974-03-17
Abstract
No abstract record available.
Inventors
- 👤 Thompson Bernard Hammo Markham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:29
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/02; C07C409/04; C07C409/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS A NEW COMPOSITION OF MATTER A HYDROXY HYDROPEROXIDE OF THE FORMULA
Claim 2
Dependent Claim
12 words
AS A NEW COMPOSITION OF MATTER A HYDROXY HYDROPEROXIDE OF THE FORMULA
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |