Patent US3297713A successfully refreshed from Google Patents.
US3297713A
Expired / Lapsed
US
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Dithiobis
Assignee: Uniroyal Inc
•
Filing: 1962-03-30
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Granted: 1967-01-10
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Ladd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; C07D207/456; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C08K5/378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
SYMMETRICAL DITHIOBIS(N-PHENYLMALEIMIDE) HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
SYMMETRICAL DITHIOBIS(N-PHENYLMALEIMIDE) HAVING 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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |