Patent US620739A successfully refreshed from Google Patents.
Patent US2996515A successfully refreshed from Google Patents.
US2996515A
Expired / Lapsed
US
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Method for producing photoperoxides
Assignee: Individual
•
Filing: 1957-04-16
•
Granted: 1961-08-15
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Expires: 1977-04-16
Abstract
No abstract record available.
Inventors
- 👤 Richard N Moore
- 👤 Ray V Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:43
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/10; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
6,14-PEROXY-$7(8) DIHYDROABIETIC ACID.
Claim 2
Dependent Claim
3 words
6,14-PEROXY-$7(8) DIHYDROABIETIC ACID.
References Cited (Backward Citations)
US698741A
Cited
GB190107625A
Cited
US1752693A
Cited
FR906347A
Cited
DE752437C
Cited
DE913892C
Cited
US2656343A
Cited
US2750406A
Cited
FR1118040A
Cited
GB777501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |